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1. Mapping geographical inequalities in access to drinking water and sanitation facilities in low-income and middle-income countries, 2000–17

Author

Aniruddha Deshpande, Molly K Miller-Petrie, Paulina A Lindstedt, Mathew M Baumann, Kimberly B Johnson, Brigette F Blacker, Hedayat Abbastabar, Foad Abd-Allah, Ahmed Abdelalim, Ibrahim Abdollahpour, Kedir Hussein Abegaz, Ayenew Negesse Abejie, Lucas Guimarães Abreu, Michael R.M. Abrigo, Ahmed Abualhasan, Manfred Mario Kokou Accrombessi, Abdu A Adamu, Oladimeji M Adebayo, Isaac Akinkunmi Adedeji, Rufus Adesoji Adedoyin, Victor Adekanmbi, Olatunji O Adetokunboh, Tara Ballav Adhikari, Mohsen Afarideh, Marcela Agudelo-Botero, Mehdi Ahmadi, Keivan Ahmadi, Muktar Beshir Ahmed, Anwar E Ahmed, Temesgen Yihunie Akalu, Ali S Akanda, Fares Alahdab, Ziyad Al-Aly, Samiah Alam, Noore Alam, Genet Melak Alamene, Turki M Alanzi, James Albright, Ammar Albujeer, Jacqueline Elizabeth Alcalde-Rabanal, Animut Alebel, Zewdie Aderaw Alemu, Muhammad Ali, Mehran Alijanzadeh, Vahid Alipour, Syed Mohamed Aljunid, Ali Almasi, Amir Almasi-Hashiani, Hesham M Al-Mekhlafi, Khalid A Altirkawi, Nelson Alvis-Guzman, Nelson J. Alvis-Zakzuk, Saeed Amini, Arianna Maever L. Amit, Gianna Gayle Herrera Amul, Catalina Liliana Andrei, Mina Anjomshoa, Ansariadi Ansariadi, Carl Abelardo T. Antonio, Benny Antony, Ernoiz Antriyandarti, Jalal Arabloo, Hany Mohamed Amin Aref, Olatunde Aremu, Bahram Armoon, Amit Arora, Krishna K Aryal, Afsaneh Arzani, Mehran Asadi-Aliabadi, Daniel Asmelash, Hagos Tasew Atalay, Seyyede Masoume Athari, Seyyed Shamsadin Athari, Sachin R Atre, Marcel Ausloos, Shally Awasthi, Nefsu Awoke, Beatriz Paulina Ayala Quintanilla, Getinet Ayano, Martin Amogre Ayanore, Yared Asmare Aynalem, Samad Azari, Andrew S Azman, Ebrahim Babaee, Alaa Badawi, Mojtaba Bagherzadeh, Shankar M Bakkannavar, Senthilkumar Balakrishnan, Maciej Banach, Joseph Adel Mattar Banoub, Aleksandra Barac, Miguel A Barboza, Till Winfried Bärnighausen, Sanjay Basu, Vo Dinh Bay, Mohsen Bayati, Neeraj Bedi, Mahya Beheshti, Meysam Behzadifar, Masoud Behzadifar, Diana Fernanda Bejarano Ramirez, Michelle L Bell, Derrick A. Bennett, Habib Benzian, Dessalegn Ajema Berbada, Robert S Bernstein, Anusha Ganapati Bhat, Krittika Bhattacharyya, Soumyadeep Bhaumik, Zulfiqar A Bhutta, Ali Bijani, Boris Bikbov, Muhammad Shahdaat Bin Sayeed, Raaj Kishore Biswas, Somayeh Bohlouli, Soufiane Boufous, Oliver J Brady, Andrey Nikolaevich Briko, Nikolay Ivanovich Briko, Gabrielle B Britton, Alexandria Brown, Sharath Burugina Nagaraja, Zahid A Butt, Luis Alberto Cámera, Ismael R Campos-Nonato, Julio Cesar Campuzano Rincon, Jorge Cano, Josip Car, Rosario Cárdenas, Felix Carvalho, Carlos A Castañeda-Orjuela, Franz Castro, Ester Cerin, Binaya Chalise, Vijay Kumar Chattu, Ken Lee Chin, Devasahayam J Christopher, Dinh-Toi Chu, Natalie Maria Cormier, Vera Marisa Costa, Elizabeth A Cromwell, Abel Fekadu Fekadu Dadi, Tukur Dahiru, Saad M A Dahlawi, Rakhi Dandona, Lalit Dandona, Anh Kim Dang, Farah Daoud, Aso Mohammad Darwesh, Amira Hamed Darwish, Ahmad Daryani, Jai K Das, Rajat Das Gupta, Aditya Prasad Dash, Claudio Alberto Dávila-Cervantes, Nicole Davis Weaver, Fernando Pio De la Hoz, Jan-Walter De Neve, Dereje Bayissa Demissie, Gebre Teklemariam Demoz, Edgar Denova-Gutiérrez, Kebede Deribe, Assefa Desalew, Samath Dhamminda Dharmaratne, Preeti Dhillon, Meghnath Dhimal, Govinda Prasad Dhungana, Daniel Diaz, Isaac Oluwafemi Dipeolu, Hoa Thi Do, Christiane Dolecek, Kerrie E Doyle, Eleonora Dubljanin, Andre Rodrigues Duraes, Hisham Atan Edinur, Andem Effiong, Aziz Eftekhari, Nevine El Nahas, Maysaa El Sayed Zaki, Maha El Tantawi, Hala Rashad Elhabashy, Shaimaa I. El-Jaafary, Ziad El-Khatib, Hajer Elkout, Aisha Elsharkawy, Shymaa Enany, Daniel Adane Endalew, Babak Eshrati, Sharareh Eskandarieh, Arash Etemadi, Oluchi Ezekannagha, Emerito Jose A. Faraon, Mohammad Fareed, Andre Faro, Farshad Farzadfar, Alebachew Fasil Fasil, Mehdi Fazlzadeh, Valery L. Feigin, Wubalem Fekadu, Netsanet Fentahun, Seyed-Mohammad Fereshtehnejad, Eduarda Fernandes, Irina Filip, Florian Fischer, Carsten Flohr, Nataliya A. Foigt, Morenike Oluwatoyin Folayan, Masoud Foroutan, Richard Charles Franklin, Joseph Jon Frostad, Takeshi Fukumoto, Mohamed M Gad, Gregory M Garcia, Augustine Mwangi Gatotoh, Reta Tsegaye Gayesa, Ketema Bizuwork Gebremedhin, Yilma Chisha Dea Geramo, Hailay Abrha Gesesew, Kebede Embaye Gezae, Ahmad Ghashghaee, Farzaneh Ghazi Sherbaf, Tiffany K Gill, Paramjit Singh Gill, Themba G Ginindza, Alem Girmay, Zemichael Gizaw, Amador Goodridge, Sameer Vali Gopalani, Bárbara Niegia Garcia Goulart, Alessandra C Goulart, Ayman Grada, Manfred S Green, Mohammed Ibrahim Mohialdeen Gubari, Harish Chander Gugnani, Davide Guido, Rafael Alves Guimarães, Yuming Guo, Rajeev Gupta, Rahul Gupta, Giang Hai Ha, Juanita A. Haagsma, Nima Hafezi-Nejad, Dessalegn H Haile, Michael Tamene Haile, Brian J. Hall, Samer Hamidi, Demelash Woldeyohannes Handiso, Hamidreza Haririan, Ninuk Hariyani, Ahmed I. Hasaballah, Md. Mehedi Hasan, Amir Hasanzadeh, Hamid Yimam Hassen, Desta Haftu Hayelom, Mohamed I Hegazy, Behzad Heibati, Behnam Heidari, Delia Hendrie, Andualem Henok, Claudiu Herteliu, Fatemeh Heydarpour, Hagos Degefa de Hidru, Thomas R Hird, Chi Linh Hoang, Gillian I Hollerich, Praveen Hoogar, Naznin Hossain, Mehdi Hosseinzadeh, Mowafa Househ, Guoqing Hu, Ayesha Humayun, Syed Ather Hussain, Mamusha Aman A Hussen, Segun Emmanuel Ibitoye, Olayinka Stephen Ilesanmi, Milena D. Ilic, Mohammad Hasan Imani-Nasab, Usman Iqbal, Seyed Sina Naghibi Irvani, Sheikh Mohammed Shariful Islam, Rebecca Q Ivers, Chinwe Juliana Iwu, Nader Jahanmehr, Mihajlo Jakovljevic, Amir Jalali, Achala Upendra Jayatilleke, Ensiyeh Jenabi, Ravi Prakash Jha, Vivekanand Jha, John S Ji, Jost B. Jonas, Jacek Jerzy Jozwiak, Ali Kabir, Zubair Kabir, Tanuj Kanchan, André Karch, Surendra Karki, Amir Kasaeian, Gebremicheal Gebreslassie Kasahun, Habtamu Kebebe Kasaye, Gebrehiwot G Kassa, Getachew Mullu Kassa, Gbenga A. Kayode, Mihiretu M Kebede, Peter Njenga Keiyoro, Daniel Bekele Ketema, Yousef Saleh Khader, Morteza Abdullatif Khafaie, Nauman Khalid, Rovshan Khalilov, Ejaz Ahmad Khan, Junaid Khan, Md Nuruzzaman Khan, Khaled Khatab, Mona M Khater, Amir M Khater, Maryam Khayamzadeh, Mohammad Khazaei, Mohammad Hossein Khosravi, Jagdish Khubchandani, Ali Kiadaliri, Yun Jin Kim, Ruth W Kimokoti, Sezer Kisa, Adnan Kisa, Sonali Kochhar, Tufa Kolola, Hamidreza Komaki, Soewarta Kosen, Parvaiz A Koul, Ai Koyanagi, Kewal Krishan, Barthelemy Kuate Defo, Nuworza Kugbey, Pushpendra Kumar, G Anil Kumar, Manasi Kumar, Dian Kusuma, Carlo La Vecchia, Ben Lacey, Aparna Lal, Dharmesh Kumar Lal, Hilton Lam, Faris Hasan Lami, Van Charles Lansingh, Savita Lasrado, Georgy Lebedev, Paul H Lee, Kate E LeGrand, Mostafa Leili, Tsegaye Lolaso Lenjebo, Cheru Tesema Leshargie, Aubrey J Levine, Sonia Lewycka, Shanshan Li, Shai Linn, Shiwei Liu, Jaifred Christian F Lopez, Platon D Lopukhov, Muhammed Magdy Abd El Razek, D.R. Mahadeshwara Prasad, Phetole Walter Mahasha, Narayan B. Mahotra, Azeem Majeed, Reza Malekzadeh, Deborah Carvalho Malta, Abdullah A Mamun, Navid Manafi, Mohammad Ali Mansournia, Chabila Christopher Mapoma, Gabriel Martinez, Santi Martini, Francisco Rogerlândio Martins-Melo, Manu Raj Mathur, Benjamin K Mayala, Mohsen Mazidi, Colm McAlinden, Birhanu Geta Meharie, Man Mohan Mehndiratta, Entezar Mehrabi Nasab, Kala M Mehta, Teferi Mekonnen, Tefera Chane Mekonnen, Gebrekiros Gebremichael Meles, Hagazi Gebre Meles, Peter T N Memiah, Ziad A Memish, Walter Mendoza, Ritesh G Menezes, Seid Tiku Mereta, Tuomo J Meretoja, Tomislav Mestrovic, Workua Mekonnen Metekiya, Bartosz Miazgowski, Ted R Miller, GK Mini, Erkin M Mirrakhimov, Babak Moazen, Bahram Mohajer, Yousef Mohammad, Dara K. Mohammad, Naser Mohammad Gholi Mezerji, Roghayeh Mohammadibakhsh, Shafiu Mohammed, Jemal Abdu Mohammed, Hassen Mohammed, Farnam Mohebi, Ali H Mokdad, Yoshan Moodley, Masoud Moradi, Ghobad Moradi, Mohammad Moradi-Joo, Paula Moraga, Linda Morales, Abbas Mosapour, Jonathan F. Mosser, Simin Mouodi, Seyyed Meysam Mousavi, Miliva Mozaffor, Sandra B Munro, Moses K. Muriithi, Christopher J L Murray, Kamarul Imran Musa, Ghulam Mustafa, Saravanan Muthupandian, Mehdi Naderi, Ahamarshan Jayaraman Nagarajan, Mohsen Naghavi, Gurudatta Naik, Vinay Nangia, Bruno Ramos Nascimento, Javad Nazari, Duduzile Edith Ndwandwe, Ionut Negoi, Henok Biresaw Netsere, Josephine W. Ngunjiri, Cuong Tat Nguyen, Huong Lan Thi Nguyen, QuynhAnh P Nguyen, Solomon Gedlu Nigatu, Dina Nur Anggraini Ningrum, Chukwudi A Nnaji, Marzieh Nojomi, Ole F Norheim, Jean Jacques Noubiap, Bogdan Oancea, Felix Akpojene Ogbo, In-Hwan Oh, Andrew T Olagunju, Jacob Olusegun Olusanya, Bolajoko Olubukunola Olusanya, Obinna E Onwujekwe, Doris V. Ortega-Altamirano, Osayomwanbo Osarenotor, Frank B Osei, Mayowa O Owolabi, Mahesh P A, Jagadish Rao. Padubidri, Smita Pakhale, Adrian Pana, Eun-Kee Park, Sangram Kishor Patel, Ashish Pathak, Ajay Patle, Kebreab Paulos, Veincent Christian Filipino Pepito, Norberto Perico, Aslam Pervaiz, Julia Moreira Pescarini, Konrad Pesudovs, Hai Quang Pham, David M Pigott, Thomas Pilgrim, Meghdad Pirsaheb, Mario Poljak, Ian Pollock, Maarten J Postma, Farshad Pourmalek, Akram Pourshams, Sergio I Prada, Liliana Preotescu, Hedley Quintana, Navid Rabiee, Mohammad Rabiee, Amir Radfar, Alireza Rafiei, Fakher Rahim, Siavash Rahimi, Vafa Rahimi-Movaghar, Muhammad Aziz Rahman, Mohammad Hifz Ur Rahman, Fatemeh Rajati, Chhabi Lal Ranabhat, Puja C Rao, Davide Rasella, Goura Kishor Rath, Salman Rawaf, Lal Rawal, Wasiq Faraz Rawasia, Giuseppe Remuzzi, Vishnu Renjith, Andre M.N. Renzaho, Serge Resnikoff, Seyed Mohammad Riahi, Ana Isabel Ribeiro, Jennifer Rickard, Leonardo Roever, Luca Ronfani, Enrico Rubagotti, Salvatore Rubino, Anas M Saad, Siamak Sabour, Ehsan Sadeghi, Sahar Saeedi Moghaddam, Yahya Safari, Rajesh Sagar, Mohammad Ali Sahraian, S. Mohammad Sajadi, Mohammad Reza Salahshoor, Nasir Salam, Ahsan Saleem, Hosni Salem, Marwa Rashad Salem, Yahya Salimi, Hamideh Salimzadeh, Abdallah M Samy, Juan Sanabria, Itamar S Santos, Milena M. Santric-Milicevic, Bruno Piassi Sao Jose, Sivan Yegnanarayana Iyer Saraswathy, Nizal Sarrafzadegan, Benn Sartorius, Brijesh Sathian, Thirunavukkarasu Sathish, Maheswar Satpathy, Monika Sawhney, Mehdi Sayyah, Alyssa N Sbarra, Lauren E Schaeffer, David C Schwebel, Anbissa Muleta Senbeta, Subramanian Senthilkumaran, Sadaf G Sepanlou, Edson Serván-Mori, Azadeh Shafieesabet, Amira A Shaheen, Izza Shahid, Masood Ali Shaikh, Ali S Shalash, Mehran Shams-Beyranvand, MohammadBagher Shamsi, Morteza Shamsizadeh, Mohammed Shannawaz, Kiomars Sharafi, Rajesh Sharma, Aziz Sheikh, B Suresh Kumar Shetty, Wondimeneh Shibabaw Shiferaw, Mika Shigematsu, Jae Il Shin, Rahman Shiri, Reza Shirkoohi, K M Shivakumar, Si Si, Soraya Siabani, Tariq Jamal Siddiqi, Diego Augusto Santos Silva, Virendra Singh, Narinder Pal Singh, Balbir Bagicha Singh Singh, Jasvinder A. Singh, Ambrish Singh, Dhirendra Narain Sinha, Malede Mequanent Sisay, Eirini Skiadaresi, David L Smith, Adauto Martins Soares Filho, Mohammad Reza Sobhiyeh, Anton Sokhan, Joan B Soriano, Muluken Bekele Sorrie, Ireneous N Soyiri, Emma Elizabeth Spurlock, Chandrashekhar T Sreeramareddy, Agus Sudaryanto, Mu'awiyyah Babale Sufiyan, Hafiz Ansar Rasul Suleria, Bryan L. Sykes, Rafael Tabarés-Seisdedos, Takahiro Tabuchi, Degena Bahrey Tadesse, Ingan Ukur Tarigan, Bineyam Taye, Yonatal Mesfin Tefera, Arash Tehrani-Banihashemi, Shishay Wahdey Tekelemedhin, Merhawi Gebremedhin Tekle, Mohamad-Hani Temsah, Berhe Etsay Tesfay, Fisaha Haile Tesfay, Zemenu Tadesse Tessema, Kavumpurathu Raman Thankappan, Akhil Soman ThekkePurakkal, Nihal Thomas, Robert L Thompson, Alan J Thomson, Roman Topor-Madry, Marcos Roberto Tovani-Palone, Eugenio Traini, Bach Xuan Tran, Khanh Bao Tran, Irfan Ullah, Bhaskaran Unnikrishnan, Muhammad Shariq Usman, Olalekan A Uthman, Benjamin S. Chudi Uzochukwu, Pascual R Valdez, Santosh Varughese, Yousef Veisani, Francesco S Violante, Sebastian Vollmer, Feleke Gebremeskel W/hawariat, Yasir Waheed, Mitchell Taylor Wallin, Yuan-Pang Wang, Yafeng Wang, Kinley Wangdi, Daniel J Weiss, Girmay Teklay Weldesamuel, Adhena Ayaliew Werkneh, Ronny Westerman, Taweewat Wiangkham, Kirsten E Wiens, Tissa Wijeratne, Charles Shey Wiysonge, Haileab Fekadu Wolde, Dawit Zewdu Wondafrash, Tewodros Eshete Wonde, Getasew Taddesse Worku, Ali Yadollahpour, Seyed Hossein Yahyazadeh Jabbari, Tomohide Yamada, Mehdi Yaseri, Hiroshi Yatsuya, Alex Yeshaneh, Mekdes Tigistu Yilma, Paul Yip, Engida Yisma, Naohiro Yonemoto, Mustafa Z Younis, Hebat-Allah Salah A Yousof, Chuanhua Yu, Hasan Yusefzadeh, Siddhesh Zadey, Telma Zahirian Moghadam, Zoubida Zaidi, Sojib Bin Zaman, Mohammad Zamani, Hamed Zandian, Heather J Zar, Taddese Alemu Zerfu, Yunquan Zhang, Arash Ziapour, Sanjay Zodpey, Yves Miel H Zuniga, Simon I Hay, and Robert C Reiner, Jr

Subjects
Public aspects of medicine, RA1-1270
Abstract

Summary: Background: Universal access to safe drinking water and sanitation facilities is an essential human right, recognised in the Sustainable Development Goals as crucial for preventing disease and improving human wellbeing. Comprehensive, high-resolution estimates are important to inform progress towards achieving this goal. We aimed to produce high-resolution geospatial estimates of access to drinking water and sanitation facilities. Methods: We used a Bayesian geostatistical model and data from 600 sources across more than 88 low-income and middle-income countries (LMICs) to estimate access to drinking water and sanitation facilities on continuous continent-wide surfaces from 2000 to 2017, and aggregated results to policy-relevant administrative units. We estimated mutually exclusive and collectively exhaustive subcategories of facilities for drinking water (piped water on or off premises, other improved facilities, unimproved, and surface water) and sanitation facilities (septic or sewer sanitation, other improved, unimproved, and open defecation) with use of ordinal regression. We also estimated the number of diarrhoeal deaths in children younger than 5 years attributed to unsafe facilities and estimated deaths that were averted by increased access to safe facilities in 2017, and analysed geographical inequality in access within LMICs. Findings: Across LMICs, access to both piped water and improved water overall increased between 2000 and 2017, with progress varying spatially. For piped water, the safest water facility type, access increased from 40·0% (95% uncertainty interval [UI] 39·4–40·7) to 50·3% (50·0–50·5), but was lowest in sub-Saharan Africa, where access to piped water was mostly concentrated in urban centres. Access to both sewer or septic sanitation and improved sanitation overall also increased across all LMICs during the study period. For sewer or septic sanitation, access was 46·3% (95% UI 46·1–46·5) in 2017, compared with 28·7% (28·5–29·0) in 2000. Although some units improved access to the safest drinking water or sanitation facilities since 2000, a large absolute number of people continued to not have access in several units with high access to such facilities (>80%) in 2017. More than 253 000 people did not have access to sewer or septic sanitation facilities in the city of Harare, Zimbabwe, despite 88·6% (95% UI 87·2–89·7) access overall. Many units were able to transition from the least safe facilities in 2000 to safe facilities by 2017; for units in which populations primarily practised open defecation in 2000, 686 (95% UI 664–711) of the 1830 (1797–1863) units transitioned to the use of improved sanitation. Geographical disparities in access to improved water across units decreased in 76·1% (95% UI 71·6–80·7) of countries from 2000 to 2017, and in 53·9% (50·6–59·6) of countries for access to improved sanitation, but remained evident subnationally in most countries in 2017. Interpretation: Our estimates, combined with geospatial trends in diarrhoeal burden, identify where efforts to increase access to safe drinking water and sanitation facilities are most needed. By highlighting areas with successful approaches or in need of targeted interventions, our estimates can enable precision public health to effectively progress towards universal access to safe water and sanitation. Funding: Bill & Melinda Gates Foundation.

Published
2020
Full Text
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2. The global distribution of lymphatic filariasis, 2000–18: a geospatial analysis

Author

Aniruddha Deshpande, Molly K Miller-Petrie, Paulina A Lindstedt, Mathew M Baumann, Kimberly B Johnson, Brigette F Blacker, Hedayat Abbastabar, Foad Abd-Allah, Ahmed Abdelalim, Ibrahim Abdollahpour, Kedir Hussein Abegaz, Ayenew Negesse Abejie, Lucas Guimarães Abreu, Michael R.M. Abrigo, Ahmed Abualhasan, Manfred Mario Kokou Accrombessi, Abdu A Adamu, Oladimeji M Adebayo, Isaac Akinkunmi Adedeji, Rufus Adesoji Adedoyin, Victor Adekanmbi, Olatunji O Adetokunboh, Tara Ballav Adhikari, Mohsen Afarideh, Marcela Agudelo-Botero, Mehdi Ahmadi, Keivan Ahmadi, Muktar Beshir Ahmed, Anwar E Ahmed, Temesgen Yihunie Akalu, Ali S Akanda, Fares Alahdab, Ziyad Al-Aly, Samiah Alam, Noore Alam, Genet Melak Alamene, Turki M Alanzi, James Albright, Ammar Albujeer, Jacqueline Elizabeth Alcalde-Rabanal, Animut Alebel, Zewdie Aderaw Alemu, Muhammad Ali, Mehran Alijanzadeh, Vahid Alipour, Syed Mohamed Aljunid, Ali Almasi, Amir Almasi-Hashiani, Hesham M Al-Mekhlafi, Khalid A Altirkawi, Nelson Alvis-Guzman, Nelson J. Alvis-Zakzuk, Saeed Amini, Arianna Maever L. Amit, Gianna Gayle Herrera Amul, Catalina Liliana Andrei, Mina Anjomshoa, Ansariadi Ansariadi, Carl Abelardo T. Antonio, Benny Antony, Ernoiz Antriyandarti, Jalal Arabloo, Hany Mohamed Amin Aref, Olatunde Aremu, Bahram Armoon, Amit Arora, Krishna K Aryal, Afsaneh Arzani, Mehran Asadi-Aliabadi, Daniel Asmelash, Hagos Tasew Atalay, Seyyede Masoume Athari, Seyyed Shamsadin Athari, Sachin R Atre, Marcel Ausloos, Shally Awasthi, Nefsu Awoke, Beatriz Paulina Ayala Quintanilla, Getinet Ayano, Martin Amogre Ayanore, Yared Asmare Aynalem, Samad Azari, Andrew S Azman, Ebrahim Babaee, Alaa Badawi, Mojtaba Bagherzadeh, Shankar M Bakkannavar, Senthilkumar Balakrishnan, Maciej Banach, Joseph Adel Mattar Banoub, Aleksandra Barac, Miguel A Barboza, Till Winfried Bärnighausen, Sanjay Basu, Vo Dinh Bay, Mohsen Bayati, Neeraj Bedi, Mahya Beheshti, Meysam Behzadifar, Masoud Behzadifar, Diana Fernanda Bejarano Ramirez, Michelle L Bell, Derrick A. Bennett, Habib Benzian, Dessalegn Ajema Berbada, Robert S Bernstein, Anusha Ganapati Bhat, Krittika Bhattacharyya, Soumyadeep Bhaumik, Zulfiqar A Bhutta, Ali Bijani, Boris Bikbov, Muhammad Shahdaat Bin Sayeed, Raaj Kishore Biswas, Somayeh Bohlouli, Soufiane Boufous, Oliver J Brady, Andrey Nikolaevich Briko, Nikolay Ivanovich Briko, Gabrielle B Britton, Alexandria Brown, Sharath Burugina Nagaraja, Zahid A Butt, Luis Alberto Cámera, Ismael R Campos-Nonato, Julio Cesar Campuzano Rincon, Jorge Cano, Josip Car, Rosario Cárdenas, Felix Carvalho, Carlos A Castañeda-Orjuela, Franz Castro, Ester Cerin, Binaya Chalise, Vijay Kumar Chattu, Ken Lee Chin, Devasahayam J Christopher, Dinh-Toi Chu, Natalie Maria Cormier, Vera Marisa Costa, Elizabeth A Cromwell, Abel Fekadu Fekadu Dadi, Tukur Dahiru, Saad M A Dahlawi, Rakhi Dandona, Lalit Dandona, Anh Kim Dang, Farah Daoud, Aso Mohammad Darwesh, Amira Hamed Darwish, Ahmad Daryani, Jai K Das, Rajat Das Gupta, Aditya Prasad Dash, Claudio Alberto Dávila-Cervantes, Nicole Davis Weaver, Fernando Pio De la Hoz, Jan-Walter De Neve, Dereje Bayissa Demissie, Gebre Teklemariam Demoz, Edgar Denova-Gutiérrez, Kebede Deribe, Assefa Desalew, Samath Dhamminda Dharmaratne, Preeti Dhillon, Meghnath Dhimal, Govinda Prasad Dhungana, Daniel Diaz, Isaac Oluwafemi Dipeolu, Hoa Thi Do, Christiane Dolecek, Kerrie E Doyle, Eleonora Dubljanin, Andre Rodrigues Duraes, Hisham Atan Edinur, Andem Effiong, Aziz Eftekhari, Nevine El Nahas, Maysaa El Sayed Zaki, Maha El Tantawi, Hala Rashad Elhabashy, Shaimaa I. El-Jaafary, Ziad El-Khatib, Hajer Elkout, Aisha Elsharkawy, Shymaa Enany, Daniel Adane Endalew, Babak Eshrati, Sharareh Eskandarieh, Arash Etemadi, Oluchi Ezekannagha, Emerito Jose A. Faraon, Mohammad Fareed, Andre Faro, Farshad Farzadfar, Alebachew Fasil Fasil, Mehdi Fazlzadeh, Valery L. Feigin, Wubalem Fekadu, Netsanet Fentahun, Seyed-Mohammad Fereshtehnejad, Eduarda Fernandes, Irina Filip, Florian Fischer, Carsten Flohr, Nataliya A. Foigt, Morenike Oluwatoyin Folayan, Masoud Foroutan, Richard Charles Franklin, Joseph Jon Frostad, Takeshi Fukumoto, Mohamed M Gad, Gregory M Garcia, Augustine Mwangi Gatotoh, Reta Tsegaye Gayesa, Ketema Bizuwork Gebremedhin, Yilma Chisha Dea Geramo, Hailay Abrha Gesesew, Kebede Embaye Gezae, Ahmad Ghashghaee, Farzaneh Ghazi Sherbaf, Tiffany K Gill, Paramjit Singh Gill, Themba G Ginindza, Alem Girmay, Zemichael Gizaw, Amador Goodridge, Sameer Vali Gopalani, Bárbara Niegia Garcia Goulart, Alessandra C Goulart, Ayman Grada, Manfred S Green, Mohammed Ibrahim Mohialdeen Gubari, Harish Chander Gugnani, Davide Guido, Rafael Alves Guimarães, Yuming Guo, Rajeev Gupta, Rahul Gupta, Giang Hai Ha, Juanita A. Haagsma, Nima Hafezi-Nejad, Dessalegn H Haile, Michael Tamene Haile, Brian J. Hall, Samer Hamidi, Demelash Woldeyohannes Handiso, Hamidreza Haririan, Ninuk Hariyani, Ahmed I. Hasaballah, Md. Mehedi Hasan, Amir Hasanzadeh, Hamid Yimam Hassen, Desta Haftu Hayelom, Mohamed I Hegazy, Behzad Heibati, Behnam Heidari, Delia Hendrie, Andualem Henok, Claudiu Herteliu, Fatemeh Heydarpour, Hagos Degefa de Hidru, Thomas R Hird, Chi Linh Hoang, Gillian I Hollerich, Praveen Hoogar, Naznin Hossain, Mehdi Hosseinzadeh, Mowafa Househ, Guoqing Hu, Ayesha Humayun, Syed Ather Hussain, Mamusha Aman A Hussen, Segun Emmanuel Ibitoye, Olayinka Stephen Ilesanmi, Milena D. Ilic, Mohammad Hasan Imani-Nasab, Usman Iqbal, Seyed Sina Naghibi Irvani, Sheikh Mohammed Shariful Islam, Rebecca Q Ivers, Chinwe Juliana Iwu, Nader Jahanmehr, Mihajlo Jakovljevic, Amir Jalali, Achala Upendra Jayatilleke, Ensiyeh Jenabi, Ravi Prakash Jha, Vivekanand Jha, John S Ji, Jost B. Jonas, Jacek Jerzy Jozwiak, Ali Kabir, Zubair Kabir, Tanuj Kanchan, André Karch, Surendra Karki, Amir Kasaeian, Gebremicheal Gebreslassie Kasahun, Habtamu Kebebe Kasaye, Gebrehiwot G Kassa, Getachew Mullu Kassa, Gbenga A. 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Subjects
Public aspects of medicine, RA1-1270
Abstract

Summary: Background: Lymphatic filariasis is a neglected tropical disease that can cause permanent disability through disruption of the lymphatic system. This disease is caused by parasitic filarial worms that are transmitted by mosquitos. Mass drug administration (MDA) of antihelmintics is recommended by WHO to eliminate lymphatic filariasis as a public health problem. This study aims to produce the first geospatial estimates of the global prevalence of lymphatic filariasis infection over time, to quantify progress towards elimination, and to identify geographical variation in distribution of infection. Methods: A global dataset of georeferenced surveyed locations was used to model annual 2000–18 lymphatic filariasis prevalence for 73 current or previously endemic countries. We applied Bayesian model-based geostatistics and time series methods to generate spatially continuous estimates of global all-age 2000–18 prevalence of lymphatic filariasis infection mapped at a resolution of 5 km2 and aggregated to estimate total number of individuals infected. Findings: We used 14 927 datapoints to fit the geospatial models. An estimated 199 million total individuals (95% uncertainty interval 174–234 million) worldwide were infected with lymphatic filariasis in 2000, with totals for WHO regions ranging from 3·1 million (1·6–5·7 million) in the region of the Americas to 107 million (91–134 million) in the South-East Asia region. By 2018, an estimated 51 million individuals (43–63 million) were infected. Broad declines in prevalence are observed globally, but focal areas in Africa and southeast Asia remain less likely to have attained infection prevalence thresholds proposed to achieve local elimination. Interpretation: Although the prevalence of lymphatic filariasis infection has declined since 2000, MDA is still necessary across large populations in Africa and Asia. Our mapped estimates can be used to identify areas where the probability of meeting infection thresholds is low, and when coupled with large uncertainty in the predictions, indicate additional data collection or intervention might be warranted before MDA programmes cease. Funding: Bill & Melinda Gates Foundation.

Published
2020
Full Text
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3. Mapping geographical inequalities in oral rehydration therapy coverage in low-income and middle-income countries, 2000–17

Author

Kirsten E Wiens, Paulina A Lindstedt, Brigette F Blacker, Kimberly B Johnson, Mathew M Baumann, Lauren E Schaeffer, Hedayat Abbastabar, Sr, Foad Abd-Allah, Ahmed Abdelalim, Ibrahim Abdollahpour, Kedir Hussein Abegaz, Ayenew Negesse Abejie, Lucas Guimarães Abreu, Michael R M Abrigo, Ahmed Abualhasan, Manfred Mario Kokou Accrombessi, Dilaram Acharya, Maryam Adabi, Abdu A Adamu, Oladimeji M Adebayo, Rufus Adesoji Adedoyin, Sr, Victor Adekanmbi, Olatunji O Adetokunboh, Sr, Beyene Meressa Adhena, Mohsen Afarideh, Sohail Ahmad, Keivan Ahmadi, Anwar E Ahmed, Muktar Beshir Ahmed, Rushdia Ahmed, Temesgen Yihunie Akalu, Fares Alahdab, Ziyad Al-Aly, Noore Alam, Sr, Samiah Alam, Genet Melak Alamene, Turki M Alanzi, Jacqueline Elizabeth Alcalde-Rabanal, Beriwan Abdulqadir Ali, Mehran Alijanzadeh, Vahid Alipour, Syed Mohamed Aljunid, Ali Almasi, Sr, Amir Almasi-Hashiani, Hesham M Al-Mekhlafi, Khalid A Altirkawi, Nelson Alvis-Guzman, Nelson J Alvis-Zakzuk, Saeed Amini, Sr, Arianna Maever L Amit, Sr, 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K Muriithi, Christopher J L Murray, GVS Murthy, Kamarul Imran Musa, Ghulam Mustafa, Sr, Saravanan Muthupandian, Sr, Ashraf F Nabhan, Mehdi Naderi, Ahamarshan Jayaraman Nagarajan, Kovin S Naidoo, Gurudatta Naik, Farid Najafi, Vinay Nangia, Sr, Jobert Richie Nansseu, Bruno Ramos Nascimento, Sr, Javad Nazari, Duduzile Edith Ndwandwe, Sr, Ionut Negoi, Sr, Henok Biresaw Netsere Netsere, Sr, Josephine W Ngunjiri, Sr, Cuong Tat Nguyen, Huong Lan Thi Nguyen, Trang Huyen Nguyen, Dabere Nigatu, Solomon Gedlu Nigatu, Dina Nur Anggraini Ningrum, Chukwudi A Nnaji, Marzieh Nojomi, Vuong Minh Nong, Ole F Norheim, Sr, Jean Jacques Noubiap, Soraya Nouraei Motlagh, Bogdan Oancea, Okechukwu Samuel Ogah, Felix Akpojene Ogbo, In-Hwan Oh, Andrew T Olagunju, Tinuke O Olagunju, Bolajoko Olubukunola Olusanya, Jacob Olusegun Olusanya, Obinna E Onwujekwe, Sr, Eyal Oren, Doris V V Ortega-Altamirano, Sr, Osayomwanbo Osarenotor, Frank B Osei, Sr, Mayowa O Owolabi, Mahesh P A, Sr, Jagadish Rao Padubidri, Smita Pakhale, Sangram Kishor Patel, Angel J Paternina-Caicedo, Sr, Ashish Pathak, Sr, George C Patton, Deepak Paudel, Sr, Kebreab Paulos, Sr, Veincent Christian Filipino Pepito, Alexandre Pereira, Norberto Perico, Aslam Pervaiz, Julia Moreira Pescarini, Bakhtiar Piroozi, Meghdad Pirsaheb, Maarten J Postma, Hadi Pourjafar, Farshad Pourmalek, Sr, Akram Pourshams, Hossein Poustchi, Sergio I Prada, Sr, Narayan Prasad, Liliana Preotescu, Hedley Quintana, Navid Rabiee, Amir Radfar, Alireza Rafiei, Fakher Rahim, Afarin Rahimi-Movaghar, Vafa Rahimi-Movaghar, Mohammad Hifz Ur Rahman, Muhammad Aziz Rahman, SHAFIUR Rahman, Fatemeh Rajati, Sr, Saleem Muhammad Rana, Sr, Chhabi Lal Ranabhat, Davide Rasella, David Laith Rawaf, Salman Rawaf, Sr, Lal Rawal, Wasiq Faraz Rawasia, Vishnu Renjith, Andre M N Renzaho, Sr, Serge Resnikoff, Sr, Melese Abate Reta, Negar Rezaei, Mohammad sadegh Rezai, Seyed Mohammad Riahi, Ana Isabel Ribeiro, Jennifer Rickard, Sr, Maria Rios-Blancas, Leonardo Roever, Luca Ronfani, Elias Merdassa Roro, Sr, Jennifer M Ross, Enrico Rubagotti, Salvatore Rubino, Anas M Saad, Yogesh Damodar Sabde, Siamak Sabour, Ehsan Sadeghi, Sr, Yahya Safari, Roya Safari-Faramani, Rajesh Sagar, Amirhossein Sahebkar, Mohammad Ali Sahraian, S Mohammad Sajadi, Mohammad Reza Salahshoor, Nasir Salam, Sr, Payman Salamati, Hosni Salem, Marwa R Rashad Salem I, Yahya Salimi, Hamideh Salimzadeh, Abdallah M Samy, Juan Sanabria, Sr, Milena M Santric-Milicevic, Bruno Piassi Sao Jose, Sivan Yegnanarayana Iyer Saraswathy, Kaushik Sarkar, Sr, Abdur Razzaque Sarker, Nizal Sarrafzadegan I, Benn Sartorius, Brijesh Sathian, Thirunavukkarasu Sathish, Monika Sawhney, Sonia Saxena, Sr, David C Schwebel, Sr, Anbissa Muleta Senbeta IV, Subramanian Senthilkumaran, Sadaf G Sepanlou, Edson Serván-Mori, Sr, Hosein Shabaninejad, Azadeh Shafieesabet, Sr, Masood Ali Shaikh, Ali S Shalash, Sr, Seifadin Ahmed Shallo, Mehran Shams-Beyranvand, MohammadBagher Shamsi, Morteza Shamsizadeh, Mohammed Shannawaz, Kiomars Sharafi, Hamid Sharifi, Hatem Samir Shehata, Sr, Aziz Sheikh, B Suresh Kumar Shetty, Sr, Kenji Shibuya, Sr, Wondimeneh Shibabaw Shiferaw, Sr, Desalegn Markos Shifti, Mika Shigematsu, Jae Il Shin, Rahman Shiri, Sr, Reza Shirkoohi, Soraya Siabani, Tariq Jamal Siddiqi, Diego Augusto Santos Silva, Ambrish Singh, Jasvinder A Singh, Narinder Pal Singh, Virendra Singh, Malede Mequanent Sisay, Eirini Skiadaresi, Mohammad Reza Sobhiyeh, Sr, Anton Sokhan, Shahin Soltani, Ranjani Somayaji, Moslem Soofi, Muluken Bekele Sorrie, Sr, Ireneous N Soyiri, Chandrashekhar T Sreeramareddy, Agus Sudaryanto, Mu'awiyyah Babale Sufiyan, Sr, Hafiz Ansar Rasul Suleria, Marufa Sultana, Bruno Fokas Sunguya, Bryan L Sykes, Rafael Tabarés-Seisdedos, Takahiro Tabuchi, Degena Bahrey Tadesse, Jr, Ingan Ukur Tarigan, Aberash Abay Tasew, Yonatal Mesfin Tefera, Sr, Merhawi Gebremedhin Tekle, Mohamad-Hani Temsah, Berhe Etsay Tesfay I, Fisaha Haile Haile Tesfay, Belay Tessema, Zemenu Tadesse Tessema, Kavumpurathu Raman Thankappan, Nihal Thomas, Alemayehu Toma Toma, Sr, Roman Topor-Madry, Marcos Roberto Roberto Tovani-Palone, Eugenio Traini, Bach Xuan Tran, Khanh Bao Tran, Irfan Ullah, Bhaskaran Unnikrishnan, Muhammad Shariq Usman, Sr, Benjamin S Chudi Uzochukwu, Sr, Pascual R Valdez, Santosh Varughese, Sr, Francesco S Violante, Sr, Sebastian Vollmer, Sr, Feleke Gebremeskel W/hawariat, Sr, Yasir Waheed, Mitchell Taylor Wallin, Yafeng Wang, Yuan-Pang Wang, Marcia Weaver, Bedilu Girma Weji, Girmay Teklay Weldesamuel, Catherine A Welgan, Andrea Werdecker, Ronny Westerman, Sr, Taweewat Wiangkham, Charles Shey Wiysonge, Sr, Haileab Fekadu Wolde, Sr, Dawit Zewdu Wondafrash, Tewodros Eshete Wonde, Sr, Getasew Taddesse Worku, Sr, Ai-Min Wu, Gelin Xu, Ali Yadollahpour, Seyed Hossein Yahyazadeh Jabbari, Tomohide Yamada, Sr, Hiroshi Yatsuya, Alex Yeshaneh, Christopher Sabo Yilgwan, Mekdes Tigistu Yilma, Paul Yip, Sr, Engida Yisma, Naohiro Yonemoto, Sr, Seok-Jun Yoon, Mustafa Z Younis, Mahmoud Yousefifard, Hebat-Allah Salah A Yousof, Chuanhua Yu, Hasan Yusefzadeh, Siddhesh Zadey, Zoubida Zaidi, Sojib Bin Zaman, Mohammad Zamani, Hamed Zandian, Nejimu Biza Zepro, Taddese Alemu Zerfu, Yunquan Zhang, Xiu-Ju George Zhao, Arash Ziapour, Sanjay Zodpey, Sr, Yves Miel H Zuniga, Simon I Hay, and Robert C Reiner, Jr

Subjects
Public aspects of medicine, RA1-1270
Abstract

Summary: Background: Oral rehydration solution (ORS) is a form of oral rehydration therapy (ORT) for diarrhoea that has the potential to drastically reduce child mortality; yet, according to UNICEF estimates, less than half of children younger than 5 years with diarrhoea in low-income and middle-income countries (LMICs) received ORS in 2016. A variety of recommended home fluids (RHF) exist as alternative forms of ORT; however, it is unclear whether RHF prevent child mortality. Previous studies have shown considerable variation between countries in ORS and RHF use, but subnational variation is unknown. This study aims to produce high-resolution geospatial estimates of relative and absolute coverage of ORS, RHF, and ORT (use of either ORS or RHF) in LMICs. Methods: We used a Bayesian geostatistical model including 15 spatial covariates and data from 385 household surveys across 94 LMICs to estimate annual proportions of children younger than 5 years of age with diarrhoea who received ORS or RHF (or both) on continuous continent-wide surfaces in 2000–17, and aggregated results to policy-relevant administrative units. Additionally, we analysed geographical inequality in coverage across administrative units and estimated the number of diarrhoeal deaths averted by increased coverage over the study period. Uncertainty in the mean coverage estimates was calculated by taking 250 draws from the posterior joint distribution of the model and creating uncertainty intervals (UIs) with the 2·5th and 97·5th percentiles of those 250 draws. Findings: While ORS use among children with diarrhoea increased in some countries from 2000 to 2017, coverage remained below 50% in the majority (62·6%; 12 417 of 19 823) of second administrative-level units and an estimated 6 519 000 children (95% UI 5 254 000–7 733 000) with diarrhoea were not treated with any form of ORT in 2017. Increases in ORS use corresponded with declines in RHF in many locations, resulting in relatively constant overall ORT coverage from 2000 to 2017. Although ORS was uniformly distributed subnationally in some countries, within-country geographical inequalities persisted in others; 11 countries had at least a 50% difference in one of their units compared with the country mean. Increases in ORS use over time were correlated with declines in RHF use and in diarrhoeal mortality in many locations, and an estimated 52 230 diarrhoeal deaths (36 910–68 860) were averted by scaling up of ORS coverage between 2000 and 2017. Finally, we identified key subnational areas in Colombia, Nigeria, and Sudan as examples of where diarrhoeal mortality remains higher than average, while ORS coverage remains lower than average. Interpretation: To our knowledge, this study is the first to produce and map subnational estimates of ORS, RHF, and ORT coverage and attributable child diarrhoeal deaths across LMICs from 2000 to 2017, allowing for tracking progress over time. Our novel results, combined with detailed subnational estimates of diarrhoeal morbidity and mortality, can support subnational needs assessments aimed at furthering policy makers' understanding of within-country disparities. Over 50 years after the discovery that led to this simple, cheap, and life-saving therapy, large gains in reducing mortality could still be made by reducing geographical inequalities in ORS coverage. Funding: Bill & Melinda Gates Foundation.

Published
2020
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4. The global distribution of lymphatic filariasis, 2000–18:a geospatial analysis

Author

Nataliya Foigt, Dina Nur Anggraini Ningrum, Ayenew Negesse Abejie, Samath Dhamminda Dharmaratne, Paramjit Gill, Marcela Agudelo-Botero, Alyssa N. Sbarra, Mario Poljak, Siavash Rahimi, Olalekan A. Uthman, Animut Alebel, Mohsen Naghavi, Olatunji O. Adetokunboh, Maarten J. Postma, Zemichael Gizaw, Chhabi Lal Ranabhat, Leonardo Roever, Mojtaba Bagherzadeh, Smita Pakhale, Seyyed Meysam Mousavi, Morenike Oluwatoyin Folayan, Robert C. Reiner, Phetole Walter Mahasha, Walter Mendoza, Azeem Majeed, Agus Sudaryanto, Dessalegn Ajema Berbada, Kate E. LeGrand, Takeshi Fukumoto, Mehdi Sayyah, Konrad Pesudovs, Mahesh P A, Nihal Thomas, Man Mohan Mehndiratta, Malede Mequanent Sisay, Azadeh Shafieesabet, Muhammad Usman, Balbir Singh, Ahsan Saleem, Ahmed Abualhasan, Maheswar Satpathy, Vijay Kumar Chattu, Mehdi Fazlzadeh, Ali H. Mokdad, Irfan Ullah, Sahar Saeedi Moghaddam, Luca Ronfani, James Albright, Si Si, Bartosz Miazgowski, Moses K. Muriithi, Catalina Liliana Andrei, Isaac Oluwafemi Dipeolu, Brijesh Sathian, Shishay Wahdey Tekelemedhin, Tufa Kolola, Mona M. Khater, Reta Tsegaye Gayesa, Andrew T Olagunju, Achala Upendra Jayatilleke, David L. Smith, Raaj Kishore Biswas, Rosario Cardenas, Andre M. N. Renzaho, Benjamin K. Mayala, Soraya Siabani, Ebrahim Babaee, Tsegaye Lolaso Lenjebo, Miliva Mozaffor, Bolajoko O. Olusanya, Joseph Frostad, Emma Elizabeth Spurlock, Hesham M. Al-Mekhlafi, Aso Mohammad Darwesh, Quynh Anh P. Nguyen, Kebede Embaye Gezae, Junaid Khan, Dessalegn Haile, Marcel Ausloos, David C. Schwebel, Bruno Piassi Sao Jose, Milena Ilic, Ionut Negoi, Ninuk Hariyani, Jost B. Jonas, Dian Kusuma, Sachin R Atre, Goura Kishor Rath, Muhammad Aziz Rahman, Dereje Bayissa Demissie, Eirini Skiadaresi, Simon I. Hay, Preeti Dhillon, Ejaz Ahmad Khan, Mohammad Hasan Imani-Nasab, Gebrehiwot G. Kassa, Nicole Davis Weaver, Mowafa Househ, Soumyadeep Bhaumik, Bahram Armoon, Martin Amogre Ayanore, Shaimaa I. El-Jaafary, Deborah Carvalho Malta, Rufus Adesoji Adedoyin, Alexandria Brown, Zewdie Aderaw Alemu, Mihiretu Kebede, Charles Shey Wiysonge, Bach Xuan Tran, Lal B. Rawal, Kala M. Mehta, Guoqing Hu, Yousef Khader, Heather J. Zar, Shiwei Liu, Norberto Perico, I A Adedeji, Sergio I. Prada, Shai Linn, Saad M.A. Dahlawi, Brigette F. Blacker, Anusha Ganapati Bhat, Desta Haftu Hayelom, Amit Arora, Mohammad Hossein Khosravi, Sanjay Zodpey, Farshad Farzadfar, Mehran Asadi-Aliabadi, Bárbara Niegia Garcia de Goulart, D. R. Mahadeshwara Prasad, Ajay Patle, Daniel Adane Endalew, Jagdish Khubchandani, Sharareh Eskandarieh, Mohammed Ibrahim Mohialdeen Gubari, Derrick A Bennett, Ziad A. Memish, Eduarda Fernandes, Chandrashekhar T Sreeramareddy, Seyed Mohammad Riahi, Hisham Atan Edinur, Taddese Alemu Zerfu, Robert S. Bernstein, Nader Jahanmehr, Yuming Guo, Tomohide Yamada, Manfred Mario Kokou Accrombessi, Mohamed I Hegazy, Liliana Preotescu, Sanjay Basu, Mohammad Reza Sobhiyeh, Frank B. Osei, Adhena Ayaliew Werkneh, Hamideh Salimzadeh, Ali Bijani, Shanshan Li, Alem Girmay, Sonali Kochhar, Meghnath Dhimal, Yonatal Mesfin Tefera, Saravanan Muthupandian, Francesco Saverio Violante, Monika Sawhney, Shally Awasthi, Samer Hamidi, Davide Guido, Van C. Lansingh, Engida Yisma, Muhammad Redzwan S Rashid Ali, Nima Hafezi-Nejad, Sadaf G. Sepanlou, Ali Kiadaliri, Hamed Zandian, Aparna Lal, Diana Fernanda Bejarano Ramirez, Dhirendra N Sinha, Florian Fischer, Hebat Allah Salah A. Yousof, Khanh Bao Tran, Kimberly B. Johnson, Senthilkumar Balakrishnan, Vo Dinh Bay, Arianna Maever L. Amit, Gbenga A. Kayode, John S. Ji, Akhil Soman ThekkePurakkal, Santi Martini, Behzad Heibati, Kebreab Paulos, Tefera Chane Mekonnen, Hagazi Gebre Meles, Vishnu Renjith, Paulina A. Lindstedt, Dinh Toi Chu, Gregory M. Garcia, Ahamarshan Jayaraman Nagarajan, Krishna K. Aryal, Irina Filip, Michelle L. Bell, Manfred S. Green, Alaa Badawi, Daniel Bekele Ketema, Claudio Alberto Dávila-Cervantes, Mohamad-Hani Temsah, Anton Sokhan, Julio Cesar Campuzano Rincon, Navid Manafi, Siddhesh Zadey, Davide Rasella, Hedayat Abbastabar, Manu Raj Mathur, Till Bärnighausen, Paula Moraga, Joan B. Soriano, Victor Adekanmbi, Seid Tiku Mereta, Mehran Shams-Beyranvand, Osayomwanbo Osarenotor, Mahya Beheshti, Farnam Mohebi, Genet Melak Alamene, Andem Effiong, Thomas R. Hird, Colm McAlinden, In-Hwan Oh, Arash Etemadi, Thirunavukkarasu Sathish, Rajesh Sharma, Puja C Rao, Masoud Foroutan, Sangram Kishor Patel, Sheikh Mohammed Shariful Islam, Aniruddha Deshpande, Paul H. Lee, Tukur Dahiru, Chinwe Juliana Iwu, Alireza Rafiei, Somayeh Bohlouli, Juan Sanabria, Javad Nazari, Siamak Sabour, Izza Shahid, Tuomo J. Meretoja, Ireneous N. Soyiri, André Karch, Mehdi Yaseri, Huong Lan Thi Nguyen, Khaled Khatab, Pushpendra Kumar, Ziyad Al-Aly, Khalid A. Altirkawi, Emerito Jose A. Faraon, Hagos Tasew Atalay, Sojib Bin Zaman, Gillian I. Hollerich, Hajer Elkout, Jonathan F. Mosser, Fakher Rahim, Kavumpurathu Raman Thankappan, Benny Antony, Nelson Alvis-Guzman, Ismael R. Campos-Nonato, Mohammad Moradi-Joo, Bineyam Taye, Ghulam Mustafa, Cheru Tesema Leshargie, Jacek Jerzy Jozwiak, Krittika Bhattacharyya, Tariq Jamal Siddiqi, Rafael Alves Guimarães, Vahid Alipour, Themba G. Ginindza, Wubalem Fekadu, Rafael Tabarés-Seisdedos, Mika Shigematsu, Bryan L. Sykes, Gebrekiros Gebremichael Meles, Delia Hendrie, Santosh Varughese, Manasi Kumar, Govinda Prasad Dhungana, Aziz Sheikh, Oladimeji M. Adebayo, Mohsen Bayati, B. Suresh Kumar Shetty, Kinley Wangdi, Hiroshi Yatsuya, Marzieh Nojomi, Carlo La Vecchia, Nuworza Kugbey, Zubair Kabir, Aslam Pervaiz, Muhammed Magdy Abd El Razek, Farzaneh Ghazi Sherbaf, Narinder Pal Singh, Jan Walter De Neve, Mohammad Khazaei, G. K. Mini, Eun-Kee Park, Haileab Fekadu Wolde, Zemenu Tadesse Tessema, Amir Radfar, Syed Ather Hussain, Gebre Teklemariam Demoz, Nasir Salam, Mohammad Ali Mansournia, Babak Moazen, Adnan Kisa, Milena Santric-Milicevic, Mitchell T. Wallin, Doris D. V. Ortega-Altamirano, Anwar Ahmed, Yousef Mohammad, Tanuj Kanchan, Feleke Gebremeskel W, Rajesh Sagar, Marwa Rashad Salem, Michael R.M. Abrigo, Fatemeh Heydarpour, Ammar Albujeer, Yasir Waheed, Noore Alam, Vera Marisa Costa, Rajat Das Gupta, Ritesh G. Menezes, Molly K. Miller-Petrie, Amira Shaheen, Seyyede Masoume Athari, Marcos Roberto Tovani-Palone, Ken Lee Chin, Ghobad Moradi, Ruth W Kimokoti, Peter Njenga Keiyoro, Kirsten E. Wiens, Nikolay Ivanovich Briko, K M Shivakumar, Ziad El-Khatib, Narayan Bahadur Mahotra, Ronny Westerman, Kamarul Imran Musa, Farshad Pourmalek, Kiomars Sharafi, Yared Asmare Aynalem, Entezar Mehrabi Nasab, Mu'awiyyah Babale Sufiyan, D J Christopher, Valery L. Feigin, Harish Chander Gugnani, Mathew M. Baumann, Platon D. Lopukhov, Tewodros Eshete Wonde, Hai Quang Pham, Luis Alberto Cámera, Meghdad Pirsaheb, Nelson J. Alvis-Zakzuk, Ahmad Daryani, Teferi Mekonnen, Yousef Veisani, Sharath Burugina Nagaraja, Parvaiz A Koul, Daniel Diaz, Ali S. Akanda, Mohammad Hifz Ur Rahman, Getachew Mullu Kassa, Daniel J. Weiss, Nauman Khalid, Hassen Mohammed, Edson Serván-Mori, Foad Abd-Allah, Fisaha Haile Tesfay, Abdullah Al Mamun, Yoshan Moodley, Adrian Pana, Salman Rawaf, Amir Almasi-Hashiani, Abdu A. Adamu, Fatemeh Rajati, German Martinez, Habib Benzian, Georgy Lebedev, Ben Lacey, Amir Hasanzadeh, Amir Khater, Merhawi Gebremedhin Tekle, Juanita A. Haagsma, Segun Emmanuel Ibitoye, Ahmed I. Hasaballah, Telma Zahirian Moghadam, Mehdi Hosseinzadeh, Virendra Singh, Demelash Woldeyohannes Handiso, Gabrielle Britton, Tiffany K. Gill, Sezer Kisa, Zahid A. Butt, Bruno Ramos Nascimento, Ian Pollock, Ted R. Miller, Rebecca Ivers, Savita Lasrado, Rovshan Khalilov, Ai Koyanagi, Benn Sartorius, Maciej Banach, Berhe Etsay Tesfay, Hedley Quintana, Joseph Adel Mattar Banoub, Praveen Hoogar, Ehsan Sadeghi, Kedir Hussein Abegaz, Hasan Yusefzadeh, Bogdan Oancea, Vafa Rahimi-Movaghar, Anbissa Muleta Senbeta, Subramanian Senthilkumaran, Ole Frithjof Norheim, Ester Cerin, Zulfiqar A Bhutta, Jennifer Rickard, M Alijanzadeh, Ali Almasi, Erkin M. Mirrakhimov, Seyed Hossein Yahyazadeh Jabbari, Sandra B. Munro, Ambrish Singh, Naohiro Yonemoto, Rahman Shiri, Girmay Teklay Weldesamuel, Jacqueline Elizabeth Alcalde-Rabanal, Daniel Asmelash, Mekdes Tigistu Yilma, Ahmad Ghashghaee, Natalie Maria Cormier, Samiah Alam, Yahya Salimi, Henok Biresaw Netsere, Anh Kim Dang, Jae Il Shin, S. Mohammad Sajadi, Francisco Rogerlândio Martins-Melo, Taweewat Wiangkham, Shankar M Bakkannavar, Eleonora Dubljanin, Itamar S. Santos, Temesgen Yihunie Akalu, Amir Kasaeian, Yahya Safari, Abel Fekadu Fekadu Dadi, Mohammad Fareed, Peter Memiah, Ali Kabir, Ensiyeh Jenabi, Ali Yadollahpour, Josephine W. Ngunjiri, Barthelemy Kuate Defo, Carlos A Castañeda-Orjuela, Reza Malekzadeh, Shymaa Enany, Hamidreza Haririan, Ayman Grada, Amador Goodridge, Salvatore Rubino, Jacob Olusegun Olusanya, Jalal Arabloo, Mohammad Reza Salahshoor, Masoud Behzadifar, Fernando de la Hoz, Mohammed Shannawaz, Hosni Salem, Syed Mohamed Aljunid, G Anil Kumar, Veincent Christian Filipino Pepito, Andre Rodrigues Duraes, Duduzile Ndwandwe, Jasvinder A. Singh, Yuan-Pang Wang, Tissa Wijeratne, Ingan Ukur Tarigan, Giuseppe Remuzzi, Sebastian Vollmer, Rakhi Dandona, Ahmed Abdelalim, Akram Pourshams, Felix Akpojene Ogbo, Alan J Thomson, Yves Miel H Zuniga, Alex Yeshaneh, Birhanu Geta Meharie, Mihajlo Jakovljevic, Obinna Onwujekwe, Ali S. Shalash, Bahram Mohajer, Nefsu Awoke, Hoa Thi Do, Jaifred Christian F. Lopez, Ernoiz Antriyandarti, Yilma Chisha Dea Geramo, Lucas Guimarães Abreu, Mohammad Ali Sahraian, Giang Hai Ha, Nizal Sarrafzadegan, Vinay Nangia, David M. Pigott, Arash Ziapour, Seyed Sina Naghibi Irvani, Andrew S. Azman, Amira Hamed Darwish, MohammadBagher Shamsi, Soewarta Kosen, Degena Bahrey Tadesse, Soufiane Boufous, Mehedi Hasan, Franz Castro, Adauto Martins Soares Filho, Oliver J. Brady, Elizabeth A. Cromwell, Olatunde Aremu, Samad Azari, Hala Rashad Elhabashy, Hamid Yimam Hassen, Julia Moreira Pescarini, Saeed Amini, Mehdi Ahmadi, Andualem Henok, Yafeng Wang, Nevine El Nahas, Paul S. F. Yip, Miguel A Barboza, Ibrahim Abdollahpour, Augustine Mwangi Gatotoh, Gurudatta Naik, Carl Abelardo T. Antonio, Morteza Abdullatif Khafaie, Meysam Behzadifar, hawariat, Enrico Rubagotti, Andre Faro, Kebede Deribe, Bhaskaran Unnikrishnan, Robert L. Thompson, Muhammad Shahdaat Bin Sayeed, Lalit Dandona, Seyyed Shamsadin Athari, Ashish Pathak, Masoud Moradi, Muluken Bekele Sorrie, Vivekanand Jha, Cuong Tat Nguyen, Naser Mohammad Gholi Mezerji, Chabila C Mapoma, Aubrey J. Levine, Solomon Gedlu Nigatu, Keivan Ahmadi, Hailay Abrha Gesesew, Getasew Taddesse Worku, Kewal Krishan, Hany Aref, Alebachew Fasil Fasil, Aziz Eftekhari, Claudiu Herteliu, Wasiq Faraz Rawasia, Zoubida Zaidi, Simin Mouodi, Dawit Zewdu Wondafrash, Hafiz Ansar Rasul Suleria, Oluchi Ezekannagha, Getinet Ayano, Gebremicheal Gebreslassie Kasahun, Usman Iqbal, Andrey Nikolaevich Briko, Workua Mekonnen Metekiya, Chuanhua Yu, Pascual R. Valdez, Mohsen Mazidi, Hamidreza Komaki, Turki Alanzi, Amir Jalali, Mina Anjomshoa, Chukwudi A Nnaji, Mostafa Leili, Hagos Degefa Hidru, Morteza Shamsizadeh, Tomislav Mestrovic, Beatriz Paulina Ayala Quintanilla, Chi Linh Hoang, Jemal Abdu Mohammed, Christopher J L Murray, Reza Shirkoohi, Aditya Prasad Dash, Thomas Pilgrim, Alessandra C. Goulart, Rajeev Gupta, Mustafa Z. Younis, Maha El Tantawi, Maysaa El Sayed Zaki, Aleksandra Barac, Christiane Dolecek, Mohammad Mahdi Zamani, Jean Jacques Noubiap, Faris Lami, Mehdi Naderi, Yunquan Zhang, Babak Eshrati, Jagadish Rao Padubidri, Navid Rabiee, Mayowa O. Owolabi, Netsanet Fentahun, Nuruzzaman Khan, Roghayeh Mohammadibakhsh, Seyed-Mohammad Fereshtehnejad, Serge Resnikoff, Dharmesh Kumar Lal, Habtamu Kebebe Kasaye, Ketema Bizuwork Gebremedhin, Surendra Karki, Edgar Denova-Gutiérrez, Félix Carvalho, Yun Jin Kim, Sonia Lewycka, Rashmi Gupta, Olayinka Stephen Ilesanmi, Neeraj Bedi, Binaya Chalise, Masood Ali Shaikh, Lauren E. Schaeffer, Kerrie E. Doyle, Gianna Gayle Herrera Amul, Richard C. Franklin, Dara K. Mohammad, Naznin Hossain, Jorge Cano, Jai K Das, Ana Isabel Ribeiro, Boris Bikbov, Sameer Vali Gopalani, Mohsen Afarideh, Behnam Heidari, Fares Alahdab, Takahiro Tabuchi, J. Car, Hilton Y. Lam, Diego Augusto Santos Silva, Linda Morales, Brian J. Hall, Mamusha Aman Hussen, Carsten Flohr, Ravi Prakash Jha, Shafiu Mohammed, Tara Ballav Adhikari, Abbas Mosapour, Muktar Beshir Ahmed, Wondimeneh Shibabaw Shiferaw, Mohamed M. Gad, Assefa Desalew, Eugenio Traini, Aisha Elsharkawy, Benjamin Uzochukwu, Anas M. Saad, Mohammad Rabiee, Sivan Yegnanarayana Iyer Saraswathy, Ansariadi Ansariadi, Abdallah M. Samy, Roman Topor-Madry, Afsaneh Arzani, Ayesha Humayun, Michael Tamene Haile, Maryam Khayamzadeh, Farah Daoud, Arash Tehrani-Banihashemi, Public Health, Johnson, KB, Local Burden of Disease 2019 Neglected Tropical Diseases Collaborator, Violante FS, Department of Earth Observation Science, UT-I-ITC-ACQUAL, Faculty of Geo-Information Science and Earth Observation, GeoHealth, and Instituto de Saúde Pública da Universidade do Porto

Subjects
medicine.medical_specialty, Geospatial analysis, 030231 tropical medicine, Elephantiasis, ELIMINATION, computer.software_genre, Article, Local Burden of Disease 2019 Neglected Tropical Diseases Collaborators, 1117 Public Health and Health Services, 03 medical and health sciences, 0302 clinical medicine, RA0421, Environmental health, Global health, medicine, 030212 general & internal medicine, Mass drug administration, Lymphatic filariasis, Public health, lcsh:Public aspects of medicine, Tropical disease, lcsh:RA1-1270, General Medicine, medicine.disease, 3. Good health, QR, Geography, Lymphatic system, ITC-ISI-JOURNAL-ARTICLE, A990 Medicine and Dentistry not elsewhere classified, ITC-GOLD, computer, 0605 Microbiology
Abstract

Background Lymphatic filariasis is a neglected tropical disease that can cause permanent disability through disruption of the lymphatic system. This disease is caused by parasitic filarial worms that are transmitted by mosquitos. Mass drug administration (MDA) of antihelmintics is recommended by WHO to eliminate lymphatic filariasis as a public health problem. This study aims to produce the first geospatial estimates of the global prevalence of lymphatic filariasis infection over time, to quantify progress towards elimination, and to identify geographical variation in distribution of infection. Methods A global dataset of georeferenced surveyed locations was used to model annual 2000–18 lymphatic filariasis prevalence for 73 current or previously endemic countries. We applied Bayesian model-based geostatistics and time series methods to generate spatially continuous estimates of global all-age 2000–18 prevalence of lymphatic filariasis infection mapped at a resolution of 5 km2 and aggregated to estimate total number of individuals infected. Findings We used 14 927 datapoints to fit the geospatial models. An estimated 199 million total individuals (95% uncertainty interval 174–234 million) worldwide were infected with lymphatic filariasis in 2000, with totals for WHO regions ranging from 3·1 million (1·6–5·7 million) in the region of the Americas to 107 million (91–134 million) in the South-East Asia region. By 2018, an estimated 51 million individuals (43–63 million) were infected. Broad declines in prevalence are observed globally, but focal areas in Africa and southeast Asia remain less likely to have attained infection prevalence thresholds proposed to achieve local elimination. Interpretation Although the prevalence of lymphatic filariasis infection has declined since 2000, MDA is still necessary across large populations in Africa and Asia. Our mapped estimates can be used to identify areas where the probability of meeting infection thresholds is low, and when coupled with large uncertainty in the predictions, indicate additional data collection or intervention might be warranted before MDA programmes cease. Funding Bill & Melinda Gates Foundation.

Published
2020

5. Mapping geographical inequalities in access to drinking water and sanitation facilities in low-income and middle-income countries, 2000-17

Author

Joseph Frostad, Eirini Skiadaresi, Mehran Asadi-Aliabadi, Aleksandra Barac, Simon I. Hay, Deborah Carvalho Malta, Achala Upendra Jayatilleke, David L. Smith, Mohamad-Hani Temsah, Brigette F. Blacker, Nuworza Kugbey, Bineyam Taye, Carlo La Vecchia, Kavumpurathu Raman Thankappan, Benny Antony, Cheru Tesema Leshargie, Eduarda Fernandes, Chandrashekhar T Sreeramareddy, Turki Alanzi, Amir Jalali, Chukwudi A Nnaji, Daniel Asmelash, Manu Raj Mathur, Jai K Das, Ana Isabel Ribeiro, Sachin R Atre, Tomislav Mestrovic, Rajeev Gupta, Smita Pakhale, Félix Carvalho, Yun Jin Kim, Quynh Anh P. Nguyen, Sameer Vali Gopalani, Chi Linh Hoang, Jean Jacques Noubiap, Manfred Accrombessi, Christopher J L Murray, Ninuk Hariyani, Ken Lee Chin, Jagadish Rao Padubidri, Mehdi Fazlzadeh, Mohammad Fareed, Mustafa Z. Younis, Navid Rabiee, Osayomwanbo Osarenotor, Brian J. Hall, Ejaz Ahmad Khan, Daniel Diaz, Salman Rawaf, Tara Ballav Adhikari, Mayowa O. Owolabi, Sonia Lewycka, Catalina Liliana Andrei, Henok Biresaw Netsere, Hagos Degefa Hidru, Morteza Shamsizadeh, Shai Linn, Saad M.A. Dahlawi, Demelash Woldeyohannes Handiso, Jemal Abdu Mohammed, Thomas Pilgrim, Alessandra C. Goulart, Ravi Prakash Jha, Norberto Perico, Sergio I. Prada, Ted R. Miller, Rebecca Ivers, Habib Benzian, David C. Schwebel, Milena Ilic, Siddhesh Zadey, Davide Rasella, Hedayat Abbastabar, Aso Mohammad Darwesh, Kinley Wangdi, Ritesh G. Menezes, Jost B. Jonas, Dian Kusuma, Molly K. Miller-Petrie, Savita Lasrado, Goura Kishor Rath, Lalit Dandona, Farshad Farzadfar, Georgy Lebedev, Ahmed I. Hasaballah, Shaimaa I. El-Jaafary, Aniruddha Deshpande, Jacek Jerzy Jozwiak, Joseph Adel Mattar Banoub, Amir Almasi-Hashiani, Praveen Hoogar, Fares Alahdab, Vafa Rahimi-Movaghar, Anbissa Muleta Senbeta, Subramanian Senthilkumaran, Ambrish Singh, Fatemeh Rajati, Sonali Kochhar, Amir Khater, Ali Almasi, Juanita A. Haagsma, Segun Emmanuel Ibitoye, Telma Zahirian Moghadam, Rajesh Sharma, Abel Fekadu Dadi, Sezer Kisa, Arash Etemadi, Zubair Kabir, Aslam Pervaiz, Muhammed Magdy Abd El Razek, Syed Ather Hussain, Mohsen Mazidi, Hamidreza Komaki, Reza Shirkoohi, Alex Yeshaneh, Faris Lami, Maha El Tantawi, Yunquan Zhang, Hamidreza Haririan, Lucas Guimarães Abreu, Tissa Wijeratne, Giuseppe Remuzzi, Bahram Mohajer, Christiane Dolecek, Vinay Nangia, Gebremicheal Gebreslassie Kasahun, Usman Iqbal, Nataliya A. Foigt, Andrey Nikolaevich Briko, Workua Mekonnen Metekiya, Chuanhua Yu, Elizabeth A. Cromwell, Pascual R. Valdez, Jennifer Rickard, Masoud Moradi, Hailay Abrha Gesesew, Naser Mohammad Gholi Mezerji, Getasew Taddesse Worku, Dinh-Toi Chu, Claudiu Herteliu, Dawit Zewdu Wondafrash, Gianna Gayle Herrera Amul, Mostafa Leili, Gebrehiwot G. Kassa, Soumyadeep Bhaumik, Ester Cerin, Bahram Armoon, Martin Amogre Ayanore, Shafiu Mohammed, Alexandria Brown, Charles Shey Wiysonge, Abbas Mosapour, Bach Xuan Tran, Lal B. Rawal, Muktar Beshir Ahmed, Wondimeneh Shibabaw Shiferaw, Mohamed M. Gad, Eugenio Traini, Aisha Elsharkawy, David M. Pigott, Temesgen Yihunie Akalu, Syed Mohamed Aljunid, Reza Malekzadeh, Ahmad Daryani, Olatunde Aremu, Mohammad Reza Salahshoor, Merhawi Gebremedhin Tekle, Derrick A Bennett, Oladimeji M. Adebayo, Bogdan Oancea, Jagdish Khubchandani, Sandra B. Munro, Naohiro Yonemoto, Ahmad Ghashghaee, Mohammed Ibrahim Mohialdeen Gubari, Marcela Agudelo-Botero, Bárbara Niegia Garcia de Goulart, Daniel Adane Endalew, Davide Guido, Alyssa N. Sbarra, Kerrie E. Doyle, Olalekan A. Uthman, Olatunji O. Adetokunboh, Zemichael Gizaw, Muhammad Usman, Farzaneh Ghazi Sherbaf, MohammadBagher Shamsi, Degena Bahrey Tadesse, Aziz Eftekhari, André Karch, Narinder Pal Singh, Carl Abelardo T. Antonio, Morteza Abdullatif Khafaie, Meysam Behzadifar, Amira Hamed Darwish, Soufiane Boufous, Mohammad Reza Sobhiyeh, Frank B. Osei, Adhena Ayaliew Werkneh, Zahid A Butt, Paulina A. Lindstedt, Gregory M. Garcia, Balbir Bagicha Singh, Daniel Bekele Ketema, Genet Melak Alamene, Andem Effiong, André Faro, Amit Arora, Mohammad Hossein Khosravi, Dhirendra N Sinha, Amir Kasaeian, Ali Kabir, Josephine W. Ngunjiri, Hosni Salem, Sharareh Eskandarieh, Akhil Soman ThekkePurakkal, Anwar Ahmed, Tanuj Kanchan, Mu'awiyyah Babale Sufiyan, Bhaskaran Unnikrishnan, Daniel J. Weiss, Ziad El-Khatib, Jorge Cano, Javad Nazari, Ashish Pathak, Krishna Kumar Aryal, Nuruzzaman Khan, Roghayeh Mohammadibakhsh, Seyed-Mohammad Fereshtehnejad, Serge Resnikoff, Dharmesh Kumar Lal, Habtamu Kebebe Kasaye, Harish Chander Gugnani, Ali S. Akanda, Mohammad Hifz Ur Rahman, Muluken Bekele Sorrie, Vivekanand Jha, Abdu A. Adamu, Zulfiqar A. Bhutta, Mohsen Afarideh, Tiffany K. Gill, Nelson Alvis-Guzman, Oliver J. Brady, Ebrahim Babaee, Takahiro Tabuchi, Alebachew Fasil, Anusha Ganapati Bhat, Marwa Rashad Salem, Till Winfried Bärnighausen, Sadaf G. Sepanlou, Paula Moraga, J. Car, Hoa Thi Do, Samad Azari, hawariat, Cuong Tat Nguyen, Michelle L. Bell, Mohamed I Hegazy, Mehedi Hasan, Mamusha Aman Hussen, Erkin M. Mirrakhimov, Seyed Hossein Yahyazadeh Jabbari, Santi Martini, Vishnu Renjith, Haileab Fekadu Wolde, Chabila C Mapoma, Aubrey J. Levine, Solomon Gedlu Nigatu, Hamid Yimam Hassen, Anh Kim Dang, S. Mohammad Sajadi, Francisco Rogerlândio Martins-Melo, Shankar M Bakkannavar, Doris D. V. Ortega-Altamirano, Kala M. Mehta, Boris Bikbov, Assefa Desalew, Carsten Flohr, Yahya Safari, Michael R.M. Abrigo, Mohammad Moradi-Joo, Jan-Walter De Neve, Carlos A Castañeda-Orjuela, Julia Moreira Pescarini, Saeed Amini, Mehdi Ahmadi, Benjamin Uzochukwu, Anas M. Saad, Robert C. Reiner, Ammar Albujeer, Narayan Bahadur Mahotra, Nelson J. Alvis-Zakzuk, Teferi Mekonnen, Lauren E. Schaeffer, Irina Filip, Ali Yadollahpour, Ali Kiadaliri, Hamed Zandian, Fisaha Haile Tesfay, Seyed Mohammad Riahi, Nader Jahanmehr, Yuming Guo, Rafael Tabarés-Seisdedos, Paramjit Gill, Ketema Bizuwork Gebremedhin, Nicole Davis Weaver, Surendra Karki, Masoud Behzadifar, Vo Dinh Bay, Giang Hai Ha, Nizal Sarrafzadegan, In-Hwan Oh, Puja C Rao, Van Charles Lansingh, Kewal Krishan, Hany Aref, Man Mohan Mehndiratta, Shymaa Enany, Ayman Grada, Amador Goodridge, Salvatore Rubino, Zemenu Tadesse Tessema, Maheswar Satpathy, Amir Radfar, Aparna Lal, Isaac Akinkunmi Adedeji, Mehdi Naderi, Siavash Rahimi, Animut Alebel, Mohammad Rabiee, Diana Fernanda Bejarano Ramirez, Sivan Yegnanarayana Iyer Saraswathy, Sojib Bin Zaman, Alem Girmay, Ansariadi Ansariadi, Abdallah M. Samy, Mario Poljak, G Anil Kumar, Beatriz Paulina Ayala Quintanilla, Andrew S. Azman, Ronny Westerman, Thomas R. Hird, Themba G. Ginindza, Babak Moazen, Feleke Gebremeskel W, Meghdad Pirsaheb, Shally Awasthi, Morenike Oluwatoyin Folayan, Roman Topor-Madry, Phetole Walter Mahasha, Kamarul Imran Musa, Hebat Allah Salah A. Yousof, Afsaneh Arzani, Yousef Veisani, Farshad Pourmalek, Sharath Burugina Nagaraja, Ayesha Humayun, Michael Tamene Haile, Kiomars Sharafi, Wasiq Faraz Rawasia, Zoubida Zaidi, Getachew Mullu Kassa, Tsegaye Lolaso Lenjebo, Maryam Khayamzadeh, Nima Hafezi-Nejad, Mohammad Zamani, Takeshi Fukumoto, Masoud Foroutan, Noore Alam, Simin Mouodi, Miliva Mozaffor, Khanh Bao Tran, Farnam Mohebi, Sanjay Basu, Robert L. Thompson, Behzad Heibati, Santosh Varughese, Olayinka Stephen Ilesanmi, Neeraj Bedi, Hafiz Ansar Rasul Suleria, Oluchi Ezekannagha, Gabriel Martinez, Getinet Ayano, Farah Daoud, Konrad Pesudovs, Julio Cesar Campuzano Rincon, Tukur Dahiru, Mehdi Hosseinzadeh, Andualem Henok, Mina Anjomshoa, Rovshan Khalilov, Ai Koyanagi, Raaj Kishore Biswas, Navid Manafi, Yousef Mohammad, Keivan Ahmadi, Seyyed Shamsadin Athari, Binaya Chalise, Masood Ali Shaikh, Joan B. Soriano, Victor Adekanmbi, Seid Tiku Mereta, Delia Hendrie, Vijay Kumar Chattu, Gebrekiros Gebremichael Meles, Si Si, Manasi Kumar, Netsanet Fentahun, Amira Shaheen, Seyyede Masoume Athari, Marcos Roberto Tovani-Palone, Ben Lacey, Peter Njenga Keiyoro, Yared Asmare Aynalem, Entezar Mehrabi Nasab, K M Shivakumar, Tewodros Eshete Wonde, Dessalegn Ajema Berbada, Yahya Salimi, Adnan Kisa, Hisham Atan Edinur, Benn Sartorius, Kate E. LeGrand, Azadeh Shafieesabet, Richard C. Franklin, Dara K. Mohammad, Naznin Hossain, Mona M. Khater, Reta Tsegaye Gayesa, Natalie Maria Cormier, Ghulam Mustafa, Ehsan Sadeghi, Nikolay Ivanovich Briko, Robert S. Bernstein, Samiah Alam, Duduzile Ndwandwe, Andrew T Olagunju, Obinna Onwujekwe, B. Suresh Kumar Shetty, Behnam Heidari, Arianna Maever L. Amit, John S. Ji, Pushpendra Kumar, Sangram Kishor Patel, Vera Marisa Costa, Yafeng Wang, Irfan Ullah, Sahar Saeedi Moghaddam, Virendra Singh, Tufa Kolola, Mehdi Yaseri, Abdullah Al Mamun, Hilton Y. Lam, Diego Augusto Santos Silva, Samath D Dharmaratne, Hajer Elkout, Yoshan Moodley, Linda Morales, Adrian Pana, Nauman Khalid, Hassen Mohammed, Fakher Rahim, Emma Elizabeth Spurlock, Mika Shigematsu, Bryan L. Sykes, Isaac Oluwafemi Dipeolu, Platon D. Lopukhov, Marzieh Nojomi, Khalid A Altirkawi, Dessalegn Haile, Mohsen Bayati, Senthilkumar Balakrishnan, Mohammad Ali Sahraian, Yasir Waheed, Ernoiz Antriyandarti, Tomohide Yamada, Alireza Rafiei, Bruno Ramos Nascimento, Ian Pollock, Ahamarshan Jayaraman Nagarajan, Kebede Embaye Gezae, Anton Sokhan, Mehran Shams-Beyranvand, Junaid Khan, Jacqueline Elizabeth Alcalde-Rabanal, Enrico Rubagotti, Mehran Alijanzadeh, Gillian I. Hollerich, Ismael R. Campos-Nonato, Eleonora Dubljanin, Itamar S. Santos, Wubalem Fekadu, Ole Frithjof Norheim, Florian Fischer, Kedir Hussein Abegaz, Nihal Thomas, Alaa Badawi, Amir Hasanzadeh, Nasir Salam, Muhammad Ali, Mohammad Ali Mansournia, Marcel Ausloos, Ensiyeh Jenabi, Bruno Piassi Sao Jose, Edgar Denova-Gutiérrez, Jae Il Shin, Jacob Olusegun Olusanya, Mohammad Hasan Imani-Nasab, Rajesh Sagar, Ahmed Abdelalim, Benjamin K. Mayala, Fatemeh Heydarpour, Maysaa El Sayed Zaki, Shiwei Liu, Soraya Siabani, Jonathan F. Mosser, Veincent Christian Filipino Pepito, Andre Rodrigues Duraes, Valery L. Feigin, Yuan-Pang Wang, Mathew M. Baumann, Saravanan Muthupandian, Ingan Ukur Tarigan, Jasvinder A. Singh, Sebastian Vollmer, Felix Akpojene Ogbo, Alan J Thomson, Agus Sudaryanto, Birhanu Geta Meharie, Mihajlo Jakovljevic, Ahsan Saleem, Ali S. Shalash, Rakhi Dandona, Mojtaba Bagherzadeh, Ahmed Abualhasan, Muhammad Shahdaat Bin Sayeed, Meghnath Dhimal, Yves Miel H Zuniga, Akram Pourshams, Ionut Negoi, Yilma Chisha Dea Geramo, Franz Castro, Nefsu Awoke, Vahid Alipour, Rosario Cárdenas, Mohammad Khazaei, Mitchell T. Wallin, Yonatal Mesfin Tefera, Sanjay Zodpey, Bolajoko O. Olusanya, Ziad A. Memish, Taddese Alemu Zerfu, Claudio Alberto Dávila-Cervantes, Samer Hamidi, Gbenga A. Kayode, Peter Memiah, Sheikh Mohammed Shariful Islam, Francesco Saverio Violante, Bartosz Miazgowski, Babak Eshrati, Moses K. Muriithi, Mihiretu Kebede, Mowafa Househ, Monika Sawhney, Preeti Dhillon, Desta Haftu Hayelom, Ajay Patle, Thirunavukkarasu Sathish, Krittika Bhattacharyya, Hiroshi Yatsuya, Jaifred Christian F. Lopez, Barthelemy Kuate Defo, Arash Ziapour, Paul H. Lee, Emerito Jose A. Faraon, Seyed Sina Naghibi Irvani, Hagos Tasew Atalay, Tariq Jamal Siddiqi, Rafael Alves Guimarães, Aziz Sheikh, Adauto Martins Soares Filho, Eun-Kee Park, Kirsten E. Wiens, Hai Quang Pham, Berhe Etsay Tesfay, G. K. Mini, Zewdie Aderaw Alemu, Hedley Quintana, Milena Santric-Milicevic, Rajat Das Gupta, Parvaiz A Koul, Edson Serván-Mori, Foad Abd-Allah, Rahul Gupta, Dereje Bayissa Demissie, Chinwe Juliana Iwu, Gabrielle B. Britton, Colm McAlinden, Ayenew Negesse Abejie, Mohsen Naghavi, Maarten J. Postma, Chhabi Lal Ranabhat, Liliana Preotescu, Walter Mendoza, Manfred S. Green, Mahesh P A, Somayeh Bohlouli, Huong Lan Thi Nguyen, Khaled Khatab, Ziyad Al-Aly, Ali H. Mokdad, Aditya P Dash, Andre M. N. Renzaho, Muhammad Aziz Rahman, Ghobad Moradi, Ruth W Kimokoti, Jalal Arabloo, Kimberly B. Johnson, Seyyed Meysam Mousavi, Hesham M. Al-Mekhlafi, D. R. Mahadeshwara Prasad, Rufus A. Adedoyin, Arash Tehrani-Banihashemi, Govinda Prasad Dhungana, Engida Yisma, Azeem Majeed, Dina Nur Anggraini Ningrum, Hagazi Gebre Meles, Hala Elhabashy, Devasahayam J. Christopher, Malede Mequanent Sisay, Juan Sanabria, Gebre Teklemariam Demoz, Leonardo Roever, Shishay Wahdey Tekelemedhin, Guoqing Hu, Yousef Khader, Heather J. Zar, Hamideh Salimzadeh, Ali Bijani, Mehdi Sayyah, Shanshan Li, Kebreab Paulos, Tefera Chane Mekonnen, Mahya Beheshti, Siamak Sabour, Izza Shahid, Tuomo J. Meretoja, Ireneous N. Soyiri, Luca Ronfani, James Albright, Brijesh Sathian, Maciej Banach, Hasan Yusefzadeh, Rahman Shiri, Girmay Teklay Weldesamuel, Mekdes Tigistu Yilma, Taweewat Wiangkham, Soewarta Kosen, Fernando de la Hoz, Mohammed Shannawaz, Luis Camera, Nevine El Nahas, Paul S. F. Yip, Miguel A Barboza, Ibrahim Abdollahpour, Augustine Mwangi Gatotoh, Gurudatta Naik, Kebede Deribe, Real World Studies in PharmacoEpidemiology, -Genetics, -Economics and -Therapy (PEGET), Value, Affordability and Sustainability (VALUE), Microbes in Health and Disease (MHD), Instituto de Saúde Pública da Universidade do Porto, IRAS OH Epidemiology Chemical Agents, Local Burden of Disease WaSH Collaborator, Violante FS, Public Health, Department of Earth Observation Science, UT-I-ITC-ACQUAL, Faculty of Geo-Information Science and Earth Observation, GeoHealth, HUS Comprehensive Cancer Center, Clinicum, University of Helsinki, Department of Oncology, Yisma, Engida, and Local Burden of Disease WaSH Collaborators

Subjects
Drinking water access, Sanitation, Universal design, Geographic Mapping, Socioeconomic Factor, DISEASE, 0302 clinical medicine, RA0421, Hygiene, 11. Sustainability, Global health, 030212 general & internal medicine, media_common, 2. Zero hunger, Public health, lcsh:Public aspects of medicine, 1. No poverty, General Medicine, 3142 Public health care science, environmental and occupational health, 6. Clean water, Low-income countries, 3. Good health, A990 Medicine and Dentistry not elsewhere classified, CHILD GROWTH, TERRITORIES, HYGIENE, Human, 0605 Microbiology, Diarrhea, AFRICA, medicine.medical_specialty, media_common.quotation_subject, 030231 tropical medicine, Local Burden of Disease WaSH Collaborators, Developing country, Article, Geographical inequalities, 1117 Public Health and Health Services, 12. Responsible consumption, Developing Countrie, 03 medical and health sciences, NUTRITIONAL INTERVENTIONS, Environmental health, medicine, SYSTEMATIC ANALYSIS, Humans, QUALITY, Sanitation/statistics & numerical data, Open defecation, Improved sanitation, hand washing, Developing Countries, Models, Statistical, Middle-income countries, Drinking Water, lcsh:RA1-1270, Bayes Theorem, GLOBAL BURDEN, diarrheal disease, DIARRHEA, Diarrhea/epidemiology, Local Burden of Disease WaSH Collaborator, Socioeconomic Factors, 0605 Microbiology, 1117 Public Health and Health Services, ITC-ISI-JOURNAL-ARTICLE, Business, Human medicine, Sanitation facilities, ITC-GOLD
Abstract

Background: Universal access to safe drinking water and sanitation facilities is an essential human right, recognised in the Sustainable Development Goals as crucial for preventing disease and improving human wellbeing. Comprehensive, high-resolution estimates are important to inform progress towards achieving this goal. We aimed to produce highresolution geospatial estimates of access to drinking water and sanitation facilities. Methods: We used a Bayesian geostatistical model and data from 600 sources across more than 88 low-income and middle-income countries (LMICs) to estimate access to drinking water and sanitation facilities on continuous continent-wide surfaces from 2000 to 2017, and aggregated results to policy-relevant administrative units. We estimated mutually exclusive and collectively exhaustive subcategories of facilities for drinking water (piped water on or off premises, other improved facilities, unimproved, and surface water) and sanitation facilities (septic or sewer sanitation, other improved, unimproved, and open defecation) with use of ordinal regression. We also estimated the number of diarrhoeal deaths in children younger than 5 years attributed to unsafe facilities and estimated deaths that were averted by increased access to safe facilities in 2017, and analysed geographical inequality in access within LMICs. Findings: Across LMICs, access to both piped water and improved water overall increased between 2000 and 2017, with progress varying spatially. For piped water, the safest water facility type, access increased from 40·0% (95% uncertainty interval [UI] 39·4–40·7) to 50·3% (50·0–50·5), but was lowest in sub-Saharan Africa, where access to piped water was mostly concentrated in urban centres. Access to both sewer or septic sanitation and improved sanitation overall also increased across all LMICs during the study period. For sewer or septic sanitation, access was 46·3% (95% UI 46·1–46·5) in 2017, compared with 28·7% (28·5–29·0) in 2000. Although some units improved access to the safest drinking water or sanitation facilities since 2000, a large absolute number of people continued to not have access in several units with high access to such facilities (>80%) in 2017. More than 253 000 people did not have access to sewer or septic sanitation facilities in the city of Harare, Zimbabwe, despite 88·6% (95% UI 87·2–89·7) access overall. Many units were able to transition from the least safe facilities in 2000 to safe facilities by 2017; for units in which populations primarily practised open defecation in 2000, 686 (95% UI 664–711) of the 1830 (1797–1863) units transitioned to the use of improved sanitation. Geographical disparities in access to improved water across units decreased in 76·1% (95% UI 71·6–80·7) of countries from 2000 to 2017, and in 53·9% (50·6–59·6) of countries for access to improved sanitation, but remained evident subnationally in most countries in 2017. Interpretation: Our estimates, combined with geospatial trends in diarrhoeal burden, identify where efforts to increase access to safe drinking water and sanitation facilities are most needed. By highlighting areas with successful approaches or in need of targeted interventions, our estimates can enable precision public health to effectively progress towards universal access to safe water and sanitation. This work was primarily supported by a grant from the Gates Foundation (OPP1132415). LGA has received support from Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (Finance Code 001), Conselho Nacional de Desenvolvimento Científico e Tecnológico and Fundação de Amparo à Pesquisa do Estado de Minas Gerais. OOA acknowledges the Department of Science and Innovation, National Research Foundation, and DSI/NRF Centre of Excellence for Epidemiological Modelling and Analysis, Stellenbosch, South Africa. SMAl acknowledges the Department of Health Policy and Management, Faculty of Public Health, Kuwait University and International Centre for Casemix and Clinical Coding, Faculty of Medicine, National University of Malaysia for the approval and support to participate in this research project. HTA acknowledges Aksum University. MAu and CH are partly supported by a grant from the Romanian National Authority for Scientific Research and Innovation, CNDS-UEFISCDI, project number PN-III-P4-ID-PCCF-2016-0084. AAz acknowledges funding from the Gates Foundation (OPP1171700). ABad is supported by the Public Health Agency of Canada. TWB was supported by the Alexander von Humboldt Foundation through the Alexander von Humboldt Professor award, funded by the German Federal Ministry of Education and Research; the EU; the Wellcome Trust; and from National Institute of Child Health and Human Development of National Institutes of Health (NIH; R01-HD084233), National Institute on Aging of NIH (P01AG041710), National Institute of Allergy and Infectious Diseases of NIH (R01-AI124389 and R01-AI112339), as well as Fogarty International Center of NIH (D43-TW009775). DABen was supported by the National Institute for Health Research (NIHR) Oxford Biomedical Research Centre. The views expressed are those of the authors and not necessarily those of the National Health Service, the NIHR, or the UK Department of Health and Social Care. GBB is supported by Sistema Nacional de Investigación (SNI) de la Secretaría Nacional de Ciencia, Tecnología e Innovación (SENACYT) of Panamá. FCar acknowledges UID/ MULTI/04378/2019 and UID/QUI/50006/2019 support with funding from FCT/Ministério da Ciência, Tecnologia e Ensino Superior through national funds. VMC acknowledges her grant (SFRH/BHD/110001/2015), received by Portuguese national funds through Fundação para a Ciência e Tecnologia (FCT), IP, under the Norma Transitória DL57/2016/CP1334/CT0006. JDN acknowledges support from the Alexander von Humboldt Foundation. DBD acknowledges support from the Gates Foundation. KD is supported by a Wellcome Trust grant (number 201900/Z/16/Z) as part of his International Intermediate Fellowship. AGo acknowledges Sistema Nacional de Investigadores de Panamá (SNI), Secretaría Nacional de Ciencia, Tecnología e Innovación (SENACYT). CH is partly supported by a grant co-funded by European Fund for Regional Development through the Operational Program for Competitiveness (project ID P_40_382). SMSI is funded by a Fellowship from National Heart Foundation of Australia and Deakin University. MJ and the Serbian part of this GBD contribution was co-funded through grant OI175014 of the Ministry of Education Science and Technological Development of the Republic of Serbia. JK is a recipient of the 2020 Benjamin V Cohen Peace Fellowship from Ball State University Center for Peace and Conflict Studies. YJK’s work was supported by the Research Management Centre, Xiamen University Malaysia, grants number XMUMRF/2018-C2/ ITCM/0001. KKr is supported by a DST PURSE grant and UGC Center of Advanced Study awarded to the Department of Anthropology, Panjab University, Chandigarh, India. BL acknowledges support from the NIHR Oxford Biomedical Research Centre and the British Heart Foundation Centre of Research Excellence, Oxford. PTNM acknowledges the Council for the Development of Social Science Research in Africa. ANA acknowledges Debre Markos University for its support in-terms of office and internet access while reviewing this paper. AMSam received a fellowship from the Egyptian Fulbright Mission programme. MMS-M acknowledges the support of the Ministry of Education, Science and Technological Development of the Republic of Serbia (contract number 175087). AShi acknowledges the support of Health Data Research UK. MRS acknowledges the Clinical Research Development Center of Imam Reza Hospital, Kermanshah university of Medical sciences for their wise advice. JBS is part of Centro de Investigación en Red de Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III (ISCIII), Madrid, Spain. RT-S was supported in part by grant PI17/00719 from Instituto de Salud Carlos III–FEDER. BU acknowledges Manipal Academy of Higher Education, Manipal. TWij acknowledges the Migraine Foundation Australia and the Department of Medicine, Faculty of Medicine, University of Rajarata, Saliyapura, Anuradhapuraya, Sri Lanka. CSW was supported by the South African Medical Research Council. SBZ received a scholarship from the Australian Government research training program in support of his academic career.

Published
2020

6. Mapping geographical inequalities in oral rehydration therapy coverage in low-income and middle-income countries, 2000-17

Author

Ninuk Hariyani, Benjamin Uzochukwu, Anas M. Saad, Sivan Yegnanarayana Iyer Saraswathy, Amirhossein Sahebkar, Behzad Karami Matin, Abdallah M. Samy, Roman Topor-Madry, Nelson G.M. Gomes, Afsaneh Arzani, Simin Liu, Maryam Khayamzadeh, Ejaz Ahmad Khan, Asmamaw Bizuneh Demis, Anelisa Jaca, Amir Kasaeian, Fereshteh Ansari, Abdur Razzaque Sarker, Ali Kabir, Jorge Cano, Marcos Roberto Tovani-Palone, Tufa Kolola, Josephine W. Ngunjiri, Roghiyeh Faridnia, Kedir Hussein Abegaz, Hosni Salem, Sharareh Eskandarieh, Norberto Perico, Sergio I. Prada, Fisaha Haile Tesfay, Jai K Das, Ana Isabel Ribeiro, Sameer Vali Gopalani, Dessalegn Haile, Shivakumar Km Marulasiddaiah M. KMShivakumar, Narayan Prasad, Pranab Chatterjee, Shafiu Mohammed, Ravi Prakash Jha, Xiu Ju George Zhao, Farshad Farzadfar, Ahmad Daryani, Pramesh Raj Ghimire, Abbas Mosapour, Ebrahim Babaee, Rajat Das Gupta, Jean Jacques Noubiap, Daniel Bekele Ketema, Teshome Bekele Elema I, Erkin M. Mirrakhimov, Seyed Hossein Yahyazadeh Jabbari, Muktar Beshir Ahmed, Wondimeneh Shibabaw Shiferaw, Mehran Asadi-Aliabadi, Mohamed M. Gad, Eugenio Traini, Milena Santric-Milicevic, Bakhtiar Piroozi, Mohsen Afarideh, Duduzile Ndwandwe, Ibrahim Abdollahpour, Aisha Elsharkawy, Bárbara Niegia Garcia de Goulart, Soufiane Boufous, Obinna Onwujekwe, Seyyed Meysam Mousavi, Azeem Majeed, Meghnath Dhimal, Bruno F. Sunguya, Daniel Adane Endalew, Hosein Shabaninejad, Siddhesh Zadey, Takahiro Tabuchi, Gebrekiros Gebremichael Meles, Davide Guido, Trang Huyen Nguyen, Yonatal Mesfin Tefera, Hala Elhabashy, Devasahayam J. Christopher, Malede Mequanent Sisay, Davide Rasella, Hedayat Abbastabar, Maziar Moradi-Lakeh, Anthony Masaka, Wagaye Fentahun Chanie, B. Suresh Kumar Shetty, Matiwos Soboka Daba, Tesfaye Yitna Yitna Chichiabellu, Arianna Maever L. Amit, Tomohide Yamada, Alireza Rafiei, Reinhard Busse, Abdullah Al Mamun, Genet Melak Alamene, George C Patton, Andem Effiong, Rushdia Ahmed, Jagadish Rao Padubidri, Mohamad-Hani Temsah, Nizal Sarrafzadegan I, Francesco Saverio Violante, Monika Sawhney, Eyal Oren, Kimberly B. Johnson, Benn Sartorius, Shirin Djalalinia, Mohsen Bayati, Merhawi Gebremedhin Tekle, Navid Rabiee, Javad Nazari, Krishna K. Aryal, Kavumpurathu Raman Thankappan, Yoshan Moodley, Anh Kim Dang, Mohammad Khazaei, Parvaiz A Koul, Edson Serván-Mori, Foad Abd-Allah, Seyed Mohammad Riahi, Nader Jahanmehr, Yuming Guo, Sonia Saxena, Bayu Begashaw Bekele, Hagos Degefa de Hidru I, Enayatollah Homaie Rad, Richard C. Franklin, Dara K. Mohammad, Naznin Hossain, Oliver J. Brady, Natalie Maria Cormier, Ghulam Mustafa, Samiah Alam, Guoqing Hu, Yousef Khader, Mohsen Mazidi, Hamed Kalani, Hamideh Salimzadeh, Mayowa O. Owolabi, Ali Bijani, Getu Debalkie Demissie, Tsegaye Lolaso Lenjebo, German Martinez, Elias Merdassa Roro, Hamidreza Komaki, Giovanni Damiani, Nelson Alvis-Guzman, Reza Shirkoohi, Aditya Prasad Dash, Benny Antony, Cheru Tesema Leshargie, Josip Car, Turki Alanzi, Amir Jalali, Shahin Soltani, Arvin Haj-Mirzaian, John S. Ji, Nima Hafezi-Nejad, S. Mohammad Sajadi, Khalid A Altirkawi, Shanshan Li, Hunduma Amensisa Amensisa Bojia I, Estifanos Baye, Hany Aref, Kebreab Paulos, Francisco Rogerlândio Martins-Melo, Shankar M Bakkannavar, Felix Lam, Themba G.G. Ginindza, Behnam Heidari, Chukwudi A Nnaji, Kebadnew Mulatu Mihretie, Mostafa Leili, Sohail Ahmad, Babak Moazen, Samad Azari, Feleke Gebremeskel W, Jacqueline Elizabeth Alcalde-Rabanal, Khanh Bao Tran, Okechukwu S Ogah, Bruno Ramos Nascimento, Tefera Chane Mekonnen, Irina Filip, Bogdan Oancea, Lalit Dandona, Desalegn Markos Shifti, Nasir Salam, Binyam Minuye Birihane, Mohammad Ali Mansournia, Mohammad Ebrahimi Kalan, Sheetal D. Lad, Michael R.M. Abrigo, Ken Lee Chin, Masoud Moradi, Temesgen Yihunie Akalu, Behzad Heibati, Ole Frithjof Norheim, Man Mohan Mehndiratta, Mahya Beheshti, Ali Yadollahpour, Gelin Xu, Siamak Sabour, Neda Izadi, Carlos Culquichicón, Tuomo J. Meretoja, Ireneous N. Soyiri, Jacob Olusegun Olusanya, Félix Carvalho, Hamid Yimam Hassen, Dereje Bayissa Demissie, Yun Jin Kim, Rajesh Sagar, Fakher Rahim, Catrin E. Moore, Thomas R. Hird, Amjad Mohamadi-Bolbanabad, Naser Mohammad Gholi Mezerji, Ahamarshan Jayaraman Nagarajan, Anton Sokhan, Faris Lami, Masoud Behzadifar, Ritesh G. Menezes, Amira Hamed Darwish, Mohammad Zamani, Tesleem Kayode Babalola, Navid Manafi, Charles Shey Wiysonge, Diego Augusto Santos Silva, Daniel Diaz, Eleonora Dubljanin, Soraya Nouraei Motlagh, Suraj Bhattarai, Getasew Taddesse Worku, Noore Alam, Jasvinder A. Singh, Catalina Liliana Andrei, Ali Kazemi Karyani, Robert C. Reiner, Mohammedaman Mama Hussen, Fatemeh Heydarpour, Nuruzzaman Khan I, Bach Xuan Tran, Lal B. Rawal, Bereket Duko, Joemer C. Maravilla, Rakhi Dandona, Sandra B. Munro, Jae Il Shin, Julia Moreira Pescarini, Claudiu Herteliu, Ahmed Abdelalim, Manasi Kumar, Pushpendra Kumar, Saleem Muhammad Rana, Hedley Quintana, Akram Pourshams, Franz Castro, Muhammad Aziz Rahman, Beyene Meressa Adhena, Aberash Abay Tasew, Linda Morales, Dawit Zewdu Wondafrash, Wasiq Faraz Rawasia, David Laith Rawaf, Zoubida Zaidi, Tomislav Mestrovic, Rajeev Gupta, Seyyede Masoume Athari, Peter Njenga Keiyoro, Andrea Werdecker, Santi Martini, Fatemeh Rajati, Andre Pascal Kengne, Victor Adekanmbi, Seid Tiku Mereta, Yared Asmare Aynalem, Kewal Krishan, Marzieh Nojomi, Yves Miel H Zuniga, Mohammad Reza Sobhiyeh, Frank B. Osei, Nefsu Awoke, Randah R. Hamadeh, G. K. Mini, Edris Hasanpoor, Ayele Geleto Bali, Moslem Soofi, Prabhat Lamichhane, Peter Azzopardi, Amir Khater, G Anil Kumar, Catherine A. Welgan, Abraham Getachew Kelbore, Jaifred Christian F. Lopez, Senthilkumar Balakrishnan, Mohammad Ali Sahraian, Ahmed I. Hasaballah, Virendra Singh, Arash Ziapour, Zahid A Butt, Hebat Allah Salah A. Yousof, Tewodros Eshete Wonde, Sanjay Zodpey, Amaha Kahsay, Achala Upendra Jayatilleke, Segun Emmanuel Ibitoye, Beriwan Abdulqadir Ali, Simin Mouodi, Salman Rawaf, Iqbal R. F. Elyazar, Ai-Min Wu, Seyed Sina Naghibi Irvani, Yasir Waheed, Delia Hendrie, Hadi Pourjafar, Farnam Mohebi, Naohiro Yonemoto, Ahmad Ghashghaee, Veincent Christian Filipino Pepito, Paulina A. Lindstedt, Nauman Khalid, Sezer Kisa, Chi Linh Hoang, Niranjan Kissoon, Kindie Fentahun Muchie, Valery L. Feigin, Mathew M. Baumann, Alemayehu Toma, Andre Rodrigues Duraes, Benjamin B. Massenburg, Santosh Varughese, Yuan-Pang Wang, Ingan Ukur Tarigan, Ali Kiadaliri, Hamed Zandian, Demelash Woldeyohannes Handiso, Hassan Magdy Abd El Razek, Ketema Bizuwork Gebremedhin, Hafiz Ansar Rasul Suleria, Oluchi Ezekannagha, Getinet Ayano, Bolajoko O. Olusanya, Manu Raj Mathur, Manfred Accrombessi, Christopher J L Murray, Moritz U. G. Kraemer, Saeed Amini, Ziad A. Memish, Yousef Mohammad, Luis Camera, Ernoiz Antriyandarti, Ronny Westerman, Meghdad Pirsaheb, Negar Rezaei, Ted R. Miller, Aziz Eftekhari, Nevine El Nahas, Sebastian Vollmer, Sanjay Basu, Hesham M. Al-Mekhlafi, D. R. Mahadeshwara Prasad, Rufus A. Adedoyin, Miliva Mozaffor I, Mihiretu Kebede, Preeti Dhillon, Dilaram Acharya, Iman El Sayed, Narendar Manohar, Paul S. F. Yip, Ben Lacey, Felix Akpojene Ogbo, Adrian Davis, Dinh-Toi Chu, Ranjani Somayaji, Raaj Kishore Biswas, Taddese Alemu Zerfu, Claudio Alberto Dávila-Cervantes, Sharath Burugina Nagaraja, Getachew Mullu Kassa, Mohan Bairwa, Gurudatta Naik, André Karch, Gudlavalleti V S Murthy, Avula Laxmaiah, Farid Najafi, Birhanu Geta Meharie, Lorenzo Monasta, Amit Arora, Christopher S Yilgwan, Samer Hamidi, Keivan Ahmadi, Kebede Deribe, Ehimario U. Igumbor, Engida Yisma, Henok Biresaw Netsere, Mihajlo Jakovljevic, Ali S. Shalash, Thirunavukkarasu Sathish, Sachin R Atre, Mohamed I Hegazy, Mehedi Hasan, Hamidreza Haririan, Lucas Guimarães Abreu, Nejimu Biza Zepro, Surendra Karki, Krittika Bhattacharyya, Hiroshi Yatsuya, Gbenga A. Kayode, Osayomwanbo Osarenotor, Paul H. Lee, Deepak Paudel, Hagos Tasew Atalay, Hatem S Shehata, Mohammad Fareed, Adnan Kisa, Hisham Atan Edinur, Mehran Alijanzadeh, Shafiur Rahman, Mohammad Hossein Khosravi, Anusha Ganapati Bhat, Bahram Mohajer, Narinder Pal Singh, Shai Linn, Savita Lasrado, Joseph Adel Mattar Banoub, Amir Almasi-Hashiani, Mohd Anisul Karim, Praveen Hoogar, Kerrie E. Doyle, Bedilu Girma Weji, Juan Sanabria, Olatunji O. Adetokunboh, Mohamed Hsairi, Alireza Esteghamati, Seok Jun Yoon, Paramjit Gill, Dabere Nigatu, Tariq Jamal Siddiqi, Muhammad Usman, Rafael Alves Guimarães, Zemenu Tadesse Tessema, Aziz Sheikh, Florian Fischer, Peter Memiah, Rakesh Lodha, Nihal Thomas, Karzan Abdulmuhsin Mohammad, Mohammad Sadegh Rezai, Tanuj Kanchan, Vinay Nangia, Ashraf Nabhan, Gebre Teklemariam Demoz, Eirini Skiadaresi, Aleksandra Barac, Simon I. Hay, Sadaf G. Sepanlou, Michellr L. Bell, Nicola Luigi Bragazzi, Aklilu Endalamaw, Vishnu Renjith, Chinwe Juliana Iwu, Gabrielle B. Britton, Colm McAlinden, Ayenew Negesse Abejie, Smita Pakhale, Doris V.V. Ortega-Altamirano, Noushin Mohammadifard, Deborah Carvalho Malta, Vo Dinh Bay, Kirsten E. Wiens, Hamidreza Karimi-Sari, Mustafa Z. Younis, Shaimaa I. El-Jaafary, Morenike Oluwatoyin Folayan, Phetole Walter Mahasha, Mu'awiyyah Babale Sufiyan, Harish Chander Gugnani, Mohammad Hifz Ur Rahman, Sheikh Mohammed Shariful Islam, Maarten J. Postma, Usman Iqbal, Abdu A. Adamu, Marwa R.Rashad Salem I, Fares Alahdab, Vafa Rahimi-Movaghar, Zulfiqar A. Bhutta, Masoud Foroutan, Muhammad Shahzeb Khan, In-Hwan Oh, Yahya Salimi, Takeshi Fukumoto, Chhabi Lal Ranabhat, Tiffany K. Gill, Angel Paternina-Caicedo, Walter Mendoza, Sojib Bin Zaman, Olayinka Stephen Ilesanmi, Brigette F. Blacker, Anbissa Muleta Senbeta, Subramanian Senthilkumaran, Ambrish Singh, Mehdi Fazlzadeh, Mahesh P A, Carlo La Vecchia, Alex Yeshaneh, Benjamin K. Mayala, Aniruddha Deshpande, Agus Sudaryanto, Neeraj Bedi, Morteza Shamsizadeh, Jemal Abdu Mohammed, Vahid Alipour, Haileab Fekadu Wolde, Boris Bikbov, Ahmed Abualhasan, Ali H. Mokdad, Eduarda Fernandes, Chandrashekhar T Sreeramareddy, Jacek Jerzy Jozwiak, Alessandra C. Goulart, Mahmoud Yousefifard, Masood Ali Shaikh, Roya Safari-Faramani, MohammadBagher Shamsi, Aso Mohammad Darwesh, Amir Anoushiravani, Kebede Embaye Gezae, Degena Bahrey Tadesse, Paula Moraga, Maha El Tantawi, Rosario Cárdenas, Assefa Desalew, Vivek Kumar, Mina Anjomshoa, Junaid Khan, Jagdish Khubchandani, Marcel Ausloos, Soraya Siabani, Anwar E. Ahmed, Mohammed Ibrahim Mohialdeen Gubari, Andre M. N. Renzaho, Vuong Minh Nong, Kaushik Sarkar, Bruno Piassi Sao Jose, Yafeng Wang, Mitchell T. Wallin, Edgar Denova-Gutiérrez, Mohammad Hasan Imani-Nasab, Melese Abate Reta, Kala M. Mehta, Yahya Safari, Marufa Sultana, David C. Schwebel, Roghayeh Mohammadibakhsh, Samath D Dharmaratne, Maysaa El Sayed Zaki, Shiwei Liu, Gail Davey, Milena Ilic, Yunquan Zhang, Bahram Armoon, Seyed-Mohammad Fereshtehnejad, Jost B. Jonas, Dian Kusuma, Yawukal chane Kasahun, Beatriz Paulina Ayala Quintanilla, Mohammad Moradi-Joo, Gebrehiwot G. Kassa, Maria Jesus Rios-Blancas, Serge Resnikoff, Seifadin Ahmed Shallo, Bartosz Miazgowski, Huda Basaleem, Jobert Richie Nansseu, Enrico Rubagotti, Carl Abelardo T. Antonio, Morteza Abdullatif Khafaie, Meysam Behzadifar, Maryam Adabi, Saravanan Muthupandian, Soumyadeep Bhaumik, hawariat, Carlos A Castañeda-Orjuela, Bhaskaran Unnikrishnan, Martin Amogre Ayanore, Dragos Virgil Davitoiu, Hossein Poustchi, Moses K. Muriithi, Dharmesh Kumar Lal, Ayman Grada, Rafael Tabarés-Seisdedos, Seyyed Shamsadin Athari, Ashish Pathak, Salvatore Rubino, Kenji Shibuya, Ana Laura Manda, Muluken Bekele Sorrie, Vivekanand Jha, Habtamu Kebebe Kasaye, Mohammad Hoseini, Sonali Kochhar, Van C. Lansingh, Ali Almasi, Amir Radfar, Till Bärnighausen, Marcia R. Weaver, Mowafa Househ, Arya Haj-Mirzaian, Gebremicheal Gebreslassie Kasahun, Arash Etemadi, Getahun Fentaw Mulaw, Zubair Kabir, Cuong Tat Nguyen, Chabila C Mapoma, Aubrey J. Levine, Solomon Gedlu Nigatu, Aslam Pervaiz, Muhammed Magdy Abd El Razek, Nataliya A. Foigt, Andrey Nikolaevich Briko, Sadaf Esteghamati, Chuanhua Yu, Pascual R. Valdez, Jennifer Rickard, Jennifer M. Ross, Ionut Negoi, Hailay Abrha Gesesew, Kamarul Imran Musa, Farshad Pourmalek, Kiomars Sharafi, Sangram Kishor Patel, Vera Marisa Costa, Mostafa Hosseini, Hajer Elkout, Mika Shigematsu, Bryan L. Sykes, Afarin Rahimi-Movaghar, Nuworza Kugbey, Vijay Kumar Chattu, Payman Salamati, Mona M. Khater, Reta Tsegaye Gayesa, Ehsan Sadeghi, Andrew T Olagunju, Govinda Prasad Dhungana, Dina Nur Anggraini Ningrum, Yaschilal Muche Belayneh, Leonardo Roever, Luca Ronfani, Nathaniel J. Henry, Brijesh Sathian, Hamid Sharifi, Liliana Preotescu, Joshua Longbottom, Somayeh Bohlouli, Huong Lan Thi Nguyen, Khaled Khatab, Ziyad Al-Aly, Ghobad Moradi, Ruth W Kimokoti, Jalal Arabloo, Mariam Molokhia, Maciej Banach, Hasan Yusefzadeh, Rahman Shiri, Girmay Teklay Weldesamuel, Mekdes Tigistu Yilma, Taweewat Wiangkham, Soewarta Kosen, Kovin Naidoo, Fernando de la Hoz, Mohammed Shannawaz, Berhe Etsay Tesfay I, Yogesh Sabde, Syed Mohamed Aljunid, Belay Tessema, Reza Malekzadeh, Tinuke O Olagunju, Olatunde Aremu, Mohammad Reza Salahshoor, Derrick A Bennett, Oladimeji M. Adebayo, Teshome Gebre, Narayan Bahadur Mahotra, Nelson J. Alvis-Zakzuk, Lauren E. Schaeffer, Alexandre C. Pereira, Mehdi Naderi, Mehdi Hosseinzadeh, Mehran Shams-Beyranvand, Ilais Moreno Velásquez, Rovshan Khalilov, Ai Koyanagi, Salman Khazaei, Ismael R. Campos-Nonato, Alaa Badawi, Amir Hasanzadeh, Gebreamlak Gebremedhn Gebremeskel, Gessessew Bugssa Hailu, Dessalegn Ajema Berbada, Kate E. LeGrand, Azadeh Shafieesabet, Nikolay Ivanovich Briko, Robert S. Bernstein, Irfan Ullah, Isaac Oluwafemi Dipeolu, Hadi Hassankhani, Keyghobad Ghadiri, Local Burden of Disease Diarrhoea Collaborator, Violante FS, Wiens, KE, Lindstedt, PA, Blacker, BF, Johnson, KB, Yisma, E, Ahmed, Muktar Beshir, Reiner, Robert C, Duko, Bereket, Local Burden of Disease Diarrhoea Collaborators, Microbes in Health and Disease (MHD), Real World Studies in PharmacoEpidemiology, -Genetics, -Economics and -Therapy (PEGET), Value, Affordability and Sustainability (VALUE), Local Burden Dis Diarrhoea, Department of Earth Observation Science, UT-I-ITC-ACQUAL, Faculty of Geo-Information Science and Earth Observation, GeoHealth, HUS Comprehensive Cancer Center, Clinicum, Institute for Molecular Medicine Finland, Department of Oncology, University of Helsinki, and Instituto de Saúde Pública da Universidade do Porto

Subjects
RJ101, medicine.medical_treatment, CHILDREN, ZINC, 0302 clinical medicine, 030212 general & internal medicine, media_common, Geography, lcsh:Public aspects of medicine, 1. No poverty, Low income and middle income countries, General Medicine, 3142 Public health care science, environmental and occupational health, 3. Good health, Child, Preschool, A990 Medicine and Dentistry not elsewhere classified, Geographical inequalities, 0605 Microbiology, Diarrhea, AFRICA, Inequality, DEATHS, media_common.quotation_subject, 030231 tropical medicine, Developing country, Article, RS, 1117 Public Health and Health Services, 03 medical and health sciences, MORBIDITY, Environmental health, DIARRHEAL DISEASE, medicine, Humans, Oral rehydration therapy, Healthcare Disparities, Developing Countries, Models, Statistical, CHOLERA, MORTALITY, Infant, Newborn, Infant, lcsh:RA1-1270, Bayes Theorem, Middle income, GLOBAL BURDEN, Child mortality, 0605 Microbiology, 1117 Public Health and Health Services, Health Care Surveys, ITC-ISI-JOURNAL-ARTICLE, Fluid Therapy, NA, Human medicine, ITC-GOLD
Abstract

Background: Oral rehydration solution (ORS) is a form of oral rehydration therapy (ORT) for diarrhoea that has the potential to drastically reduce child mortality; yet, according to UNICEF estimates, less than half of children younger than 5 years with diarrhoea in low-income and middle-income countries (LMICs) received ORS in 2016. A variety of recommended home fluids (RHF) exist as alternative forms of ORT; however, it is unclear whether RHF prevent child mortality. Previous studies have shown considerable variation between countries in ORS and RHF use, but subnational variation is unknown. This study aims to produce high-resolution geospatial estimates of relative and absolute coverage of ORS, RHF, and ORT (use of either ORS or RHF) in LMICs. Methods: We used a Bayesian geostatistical model including 15 spatial covariates and data from 385 household surveys across 94 LMICs to estimate annual proportions of children younger than 5 years of age with diarrhoea who received ORS or RHF (or both) on continuous continent-wide surfaces in 2000-17, and aggregated results to policy-relevant administrative units. Additionally, we analysed geographical inequality in coverage across administrative units and estimated the number of diarrhoeal deaths averted by increased coverage over the study period. Uncertainty in the mean coverage estimates was calculated by taking 250 draws from the posterior joint distribution of the model and creating uncertainty intervals (UIs) with the 2·5th and 97·5th percentiles of those 250 draws. Findings: While ORS use among children with diarrhoea increased in some countries from 2000 to 2017, coverage remained below 50% in the majority (62·6%; 12 417 of 19 823) of second administrative-level units and an estimated 6 519 000 children (95% UI 5 254 000-7 733 000) with diarrhoea were not treated with any form of ORT in 2017. Increases in ORS use corresponded with declines in RHF in many locations, resulting in relatively constant overall ORT coverage from 2000 to 2017. Although ORS was uniformly distributed subnationally in some countries, within-country geographical inequalities persisted in others; 11 countries had at least a 50% difference in one of their units compared with the country mean. Increases in ORS use over time were correlated with declines in RHF use and in diarrhoeal mortality in many locations, and an estimated 52 230 diarrhoeal deaths (36 910-68 860) were averted by scaling up of ORS coverage between 2000 and 2017. Finally, we identified key subnational areas in Colombia, Nigeria, and Sudan as examples of where diarrhoeal mortality remains higher than average, while ORS coverage remains lower than average. Interpretation: To our knowledge, this study is the first to produce and map subnational estimates of ORS, RHF, and ORT coverage and attributable child diarrhoeal deaths across LMICs from 2000 to 2017, allowing for tracking progress over time. Our novel results, combined with detailed subnational estimates of diarrhoeal morbidity and mortality, can support subnational needs assessments aimed at furthering policy makers' understanding of within-country disparities. Over 50 years after the discovery that led to this simple, cheap, and life-saving therapy, large gains in reducing mortality could still be made by reducing geographical inequalities in ORS coverage. This work was primarily supported by a grant from the Bill & Melinda Gates Foundation (OPP1132415). L G Abreu has received support from Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (Finance Code 001), Conselho Nacional de Desenvolvimento Científico e Tecnológico and Fundação de Amparo à Pesquisa do Estado de Minas Gerais. O O Adetokunboh acknowledges the South African Department of Science and Innovation and the National Research Foundation. S M Aljunid acknowledges the Department of Health Policy and Management, Faculty of Public Health, Kuwait University and International Centre for Casemix and Clinical Coding, Faculty of Medicine, National University of Malaysia for the approval and support to participate in this research project. H T Atalay acknowledges Aksum University. M Ausloos and C Herteliu are partially supported by a grant of the Romanian National Authority for Scientific Research and Innovation, CNDS-UEFISCDI, project number PN-III-P4-ID-PCCF-2016-0084. P S Azzopardi was supported by an Australian National Health and Medical Research Council (NHMRC) early career fellowship. A Badawi is supported by the Public Health Agency of Canada. T W Bärnighausen was supported by the Alexander von Humboldt Foundation through the Alexander von Humboldt Professor award, funded by the German Federal Ministry of Education and Research; the EU; the Wellcome Trust; and from National Institute of Child Health and Human Development of National Institutes of Health (NIH; R01-HD084233), National Institute on Aging of NIH (P01-AG041710), National Institute of Allergy and Infectious Diseases of NIH (R01-AI124389 and R01-AI112339), as well as Fogarty International Center of NIH (D43-TW009775). G B Britton is supported by Sistema Nacional de Investigación (SNI) de la Secretaría Nacional de Ciencia, Tecnología e Innovación (SENACYT) of Panamá. A Barac is funded by the Project of Ministry of Education, Science and Technology of the Republic of Serbia (number III45005). D A Bennett was supported by the National Institute for Health Research (NIHR) Oxford Biomedical Research Centre. The views expressed are those of the authors and not necessarily those of the National Health Service, the NIHR, or the UK Department of Health and Social Care. V M Costa acknowledges her grant (SFRH/BHD/110001/2015), received by Portuguese national funds through Fundação para a Ciência e Tecnologia (FCT), IP, under the Norma Transitória DL57/2016/CP1334/CT0006. F Carvalho acknowledges UID/MULTI/04378/2019 and UID/QUI/50006/2019 support with funding from FCT/Ministério da Ciência, Tecnologia e Ensino Superior through national funds. K Deribe is supported by a Wellcome Trust grant (number 201900/Z/16/Z) as part of his International Intermediate Fellowship. C Herteliu is partially supported by a grant co-funded by European Fund for Regional Development through the Operational Program for Competitiveness (project ID P_40_382). P Hoogar thanks Centre for Bio Cultural Studies, Directorate of Research, Manipal Academy of Higher Education, Manipal and Centre for Holistic Development and Research, Kalaghatgi-Karnataka. S M S Islam is funded by a Fellowship from National Heart Foundation of Australia and Deakin University. M Jakovljevic and the Serbian part of this GBD contribution was co-funded through grant OI175014 of the Ministry of Education Science and Technological Development of the Republic of Serbia. A P Kengne is supported by the South African Medical Research Council. Y J Kim's work was supported by the Research Management Centre, Xiamen University Malaysia, grants number XMUMRF/2018-C2/ITCM/0001. K Krishan is supported by a DST PURSE grant and UGC Center of Advanced Study awarded to the Department of Anthropology, Panjab University, Chandigarh, India. M Kumar acknowledges K43 TW010716-03. B Lacey acknowledges support from the NIHR Oxford Biomedical Research Centre and the British Heart Foundation Centre of Research Excellence, Oxford. P T N Memiah acknowledges the Council for the Development of Social Science Research in Africa. M Molokhia is supported by the NIHR Biomedical Research Center at Guy's and St Thomas' National Health Service Foundation Trust and King's College London. I Moreno Velásquez is supported by the Sistema Nacional de Investigación (SENACYT, Panamá). G C Patton is funded by an NHMRC Fellowship. A M Samy received a fellowship from the Egyptian Fulbright Mission programme. M M Santric-Milicevic acknowledges the support of the Ministry of Education, Science and Technological Development of the Republic of Serbia (contract number 175087). A Sheikh acknowledges the support of Health Data Research UK. M R Sobhiyeh acknowledges the Clinical Research Development Center of Imam Reza Hospital, Kermanshah University of Medical Sciences for their wise advice. R Tabarés-Seisdedos was supported in part by grant PI17/00719 from Instituto de Salud Carlos III–FEDER. B Unnikrishnan acknowledges Manipal Academy of Higher Education, Manipal. M R Weaver was supported by the Bill & Melinda Gates Foundation grant OPP1127433. C S Wiysonge was supported by the South African Medical Research Council.

Published
2020

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