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1. Factors associated with anaemia among preschool- age children in underprivileged neighbourhoods in Antananarivo, Madagascar

Author

Randrianarisoa, Mirella Malala, Rakotondrainipiana, Maheninasy, Randriamparany, Ravaka, Andriantsalama, Prisca Vega, Randrianarijaona, Anjasoa, Habib, Azimdine, Robinson, Annick, Raharimalala, Lisette, Hunald, Francis Allen, Etienne, Aurélie, Collard, Jean-Marc, Randrianirina, Frédérique, Barouki, Robert, Pontoizeau, Clement, Nestoret, Alison, Kapel, Nathalie, Sansonetti, Philippe, Vonaesch, Pascale, and Randremanana, Rindra Vatosoa

Published
2022
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2. Microorganisms Associated With Pneumonia in Children

Author

Global Approach to Biological Research, Infectious diseases and Epidemics in Low-income countries (GABRIEL) Network, Bénet, Thomas, Picot, Valentina Sánchez, Messaoudi, Mélina, Chou, Monidarin, Eap, Tekchheng, Wang, Jianwei, Shen, Kunling, Pape, Jean-William, Rouzier, Vanessa, Awasthi, Shally, Pandey, Nitin, Bavdekar, Ashish, Sanghavi, Sonali, Robinson, Annick, Rakoto-Andrianarivelo, Mala, Sylla, Maryam, Diallo, Souleymane, Nymadawa, Pagbajabyn, Naranbat, Nymadawaagiin, Russomando, Graciela, Basualdo, Wilma, Komurian-Pradel, Florence, Endtz, Hubert, Vanhems, Philippe, and Paranhos-Baccalà, Gláucia

Published
2017

3. Global, regional, and national disease burden estimates of acute lower respiratory infections due to respiratory syncytial virus in young children in 2015: a systematic review and modelling study

Author

Shi, Ting, McAllister, David A, O'Brien, Katherine L, Simoes, Eric A F, Madhi, Shabir A, Gessner, Bradford D, Polack, Fernando P, Balsells, Evelyn, Acacio, Sozinho, Aguayo, Claudia, Alassani, Issifou, Ali, Asad, Antonio, Martin, Awasthi, Shally, Awori, Juliet O, Azziz-Baumgartner, Eduardo, Baggett, Henry C, Baillie, Vicky L, Balmaseda, Angel, Barahona, Alfredo, Basnet, Sudha, Bassat, Quique, Basualdo, Wilma, Bigogo, Godfrey, Bont, Louis, Breiman, Robert F, Brooks, W Abdullah, Broor, Shobha, Bruce, Nigel, Bruden, Dana, Buchy, Philippe, Campbell, Stuart, Carosone-Link, Phyllis, Chadha, Mandeep, Chipeta, James, Chou, Monidarin, Clara, Wilfrido, Cohen, Cheryl, de Cuellar, Elizabeth, Dang, Duc-Anh, Dash-yandag, Budragchaagiin, Deloria-Knoll, Maria, Dherani, Mukesh, Eap, Tekchheng, Ebruke, Bernard E, Echavarria, Marcela, de Freitas Lázaro Emediato, Carla Cecília, Fasce, Rodrigo A, Feikin, Daniel R, Feng, Luzhao, Gentile, Angela, Gordon, Aubree, Goswami, Doli, Goyet, Sophie, Groome, Michelle, Halasa, Natasha, Hirve, Siddhivinayak, Homaira, Nusrat, Howie, Stephen R C, Jara, Jorge, Jroundi, Imane, Kartasasmita, Cissy B, Khuri-Bulos, Najwa, Kotloff, Karen L, Krishnan, Anand, Libster, Romina, Lopez, Olga, Lucero, Marilla G, Lucion, Florencia, Lupisan, Socorro P, Marcone, Debora N, McCracken, John P, Mejia, Mario, Moisi, Jennifer C, Montgomery, Joel M, Moore, David P, Moraleda, Cinta, Moyes, Jocelyn, Munywoki, Patrick, Mutyara, Kuswandewi, Nicol, Mark P, Nokes, D James, Nymadawa, Pagbajabyn, da Costa Oliveira, Maria Tereza, Oshitani, Histoshi, Pandey, Nitin, Paranhos-Baccalà, Gláucia, Phillips, Lia N, Picot, Valentina Sanchez, Rahman, Mustafizur, Rakoto-Andrianarivelo, Mala, Rasmussen, Zeba A, Rath, Barbara A, Robinson, Annick, Romero, Candice, Russomando, Graciela, Salimi, Vahid, Sawatwong, Pongpun, Scheltema, Nienke, Schweiger, Brunhilde, Scott, J Anthony G, Seidenberg, Phil, Shen, Kunling, Singleton, Rosalyn, Sotomayor, Viviana, Strand, Tor A, Sutanto, Agustinus, Sylla, Mariam, Tapia, Milagritos D, Thamthitiwat, Somsak, Thomas, Elizabeth D, Tokarz, Rafal, Turner, Claudia, Venter, Marietjie, Waicharoen, Sunthareeya, Wang, Jianwei, Watthanaworawit, Wanitda, Yoshida, Lay-Myint, Yu, Hongjie, Zar, Heather J, Campbell, Harry, and Nair, Harish

Published
2017
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10. Identifying the etiology and pathophysiology underlying stunting and environmental enteropathy: study protocol of the AFRIBIOTA project

Author

Vonaesch, Pascale, Randremanana, Rindra, Gody, Jean-Chrysostome, Collard, Jean-Marc, Giles-Vernick, Tamara, Doria, Maria, Vigan-Womas, Inès, Rubbo, Pierre-Alain, Etienne, Aurélie, Andriatahirintsoa, Emilson Jean, Kapel, Nathalie, Brown, Eric, Huus, Kelsey E., Duffy, Darragh, Finlay, B.Brett, Hasan, Milena, Hunald, Francis Allen, Robinson, Annick, Manirakiza, Alexandre, Wegener-Parfrey, Laura, Vray, Muriel, Sansonetti, Philippe J., and for the AFRIBIOTA Investigators

Published
2018
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13. Decline in Vaccine-Type Streptococcus pneumoniae Serotypes Following Pneumococcal Conjugate Vaccine Introduction in Madagascar

Author

Raboba, Julia L, primary, Rahajamanana, Vonintsoa L, additional, Andriatahirintsoa, Emilson P R, additional, Razafindrakoto, Ainamalala C, additional, Andrianarivelo, Andry M, additional, Nimpa Mengouo, Marcellin, additional, Vuo Masembe, Yolande, additional, Weldegebriel, Goitom G, additional, de Gouveia, Linda, additional, Mwenda, Jason M, additional, and Robinson, Annick L, additional

Published
2021
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15. Efforts Towards Polio Eradication in Madagascar: 1997 to 2017

Author

Mengouo Nimpa, Marcellin, primary, Ravelomanana Razafiarivao, Noëline, additional, Robinson, Annick, additional, Randriatsarafara Fidiniaina, Mamy, additional, Razafindratsimandresy, Richter, additional, Masembe, Yolande Vuo, additional, Bodohanta, Christiane Ramonjisoa, additional, Koffi Kouadio, Isidore, additional, Kana kode Nyazy, Issa, additional, Simpore, Moussa, additional, Faty Ndiaye, Charlotte, additional, and Chukwudi Okeibunor, Joseph, additional

Published
2021
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20. Factors Associated with Stunted Growth in Children Under Five Years in Antananarivo, Madagascar and Bangui, Central African Republic.

Author

Vonaesch, Pascale, Djorie, Serge Ghislain, Kandou, Kaleb Jephté Estimé, Rakotondrainipiana, Maheninasy, Schaeffer, Laura, Andriatsalama, Prisca Vega, Randriamparany, Ravaka, Gondje, Bolmbaye Privat, Nigatoloum, Synthia, Vondo, Sonia Sandrine, Etienne, Aurélie, Robinson, Annick, Hunald, Francis Allen, Raharimalala, Lisette, Giles-Vernick, Tamara, Tondeur, Laura, Randrianirina, Frédérique, Bastaraud, Alexandra, Gody, Jean-Chrysostome, and Sansonetti, Philippe Jean

Subjects
MOTHERS, STATURE, SKIN diseases, STATISTICS, EDUCATION, SOAP, DIARRHEA, IRON, ANTHROPOMETRY, NUTRITION, CASE-control method, DIET, IRON in the body, FISHER exact test, MANN Whitney U Test, SANITATION, DIETARY supplements, SOCIOECONOMIC factors, QUESTIONNAIRES, BIRTH weight, ANEMIA, COUGH, BREASTFEEDING, MALNUTRITION, FACTOR analysis, DESCRIPTIVE statistics, CHI-squared test, METROPOLITAN areas, LOGISTIC regression analysis, PRENATAL care, MICRONUTRIENTS, GROWTH disorders, CENTRAL Africans (Central African Republic), COMORBIDITY, PREGNANCY, DISEASE risk factors, CHILDREN
Abstract

Objectives: With a fourth of all under-five children affected, stunting remains one of the biggest health challenges worldwide. Even though the main underlying factors are known, the exact pathways to stunting varying in affected regions, and interventions thus need to be tailored to the local contexts. This study aimed assessing and comparing factors associated with stunting in two understudied sub-Saharan urban contexts with some of the highest stunting prevalence globally: Bangui, Central African Republic (~ 36%) and Antananarivo, Madagascar (42%). Methods: We performed a case–control study on 175 + 194 stunted and 237 + 230 non-stunted control children aged 2–5 years and matched for age, gender and district of residency. Factors associated with stunting were identified using a standardized, paper questionnaire delivered by trained interviewers. Statistical analysis was done using logistic regression modelling. Results: In both sites, formal maternal education lowered the risk of being stunted and restricted access to soap, suffering of anaemia and low birth weight were associated with higher risk of stunting. Short maternal stature, household head different from parents, diarrhoea and coughing were associated with an increased risk and continuing breastfeeding was associated with a lower risk of stunting in Antananarivo. Previous severe undernutrition and dermatitis/ fungal skin infections were associated with higher and changes in diet during pregnancy with lower risk of stunting in Bangui. Conclusions: Our results suggest maternal education, antenatal care, iron supplementation and simple WASH interventions such as using soap and infection control as general and breastfeeding (Antananarivo) or better nutrition (Bangui) as area-specified interventions. [ABSTRACT FROM AUTHOR]

Published
2021
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23. Impact of 10-Valent Pneumococcal Conjugate Vaccine on Bacterial Meningitis in Madagascar

Author

Andriatahirintsoa, Emilson Jean P R, primary, Raboba, Julia Liliane, additional, Rahajamanana, Vonintsoa Lalaina, additional, Rakotozanany, Ando Lalaina, additional, Nimpa, Mengouom M, additional, Vuo Masembe, Yolande, additional, Weldegebriel, Goitom, additional, De Gouveia, Linda, additional, Mwenda, Jason M, additional, and Robinson, Annick Lalaina, additional

Published
2019
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24. Draft Genome Sequence of a Chryseobacterium indologenes Strain Isolated from a Blood Culture of a Hospitalized Child in Antananarivo, Madagascar

Author

Rabenandrasana, Mamitina Alain Noah, primary, Rafetrarivony, Lala Fanomezantsoa, additional, Rivoarilala, Lalainasoa Odile, additional, Enouf, Vincent, additional, Robinson, Annick Lalaina, additional, Rakotozanany, Ando, additional, Vanhomwegen, Jessica, additional, Caro, Valérie, additional, Von Platen, Cassandre, additional, Manuguerra, Jean-Claude, additional, and Collard, Jean-Marc, additional

Published
2019
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25. Microorganisms Associated With Pneumonia in Children \textless5 Years of Age in Developing and Emerging Countries: The GABRIEL Pneumonia Multicenter, Prospective, Case-Control Study

Author

Bénet, Thomas, Sánchez Picot, Valentina, Messaoudi, Mélina, Chou, Monidarin, Eap, Tekchheng, Wang, Jianwei, Shen, Kunling, Pape, Jean-William, Rouzier, Vanessa, Awasthi, Shally, Pandey, Nitin, Bavdekar, Ashish, Sanghavi, Sonali, Robinson, Annick, Rakoto-Andrianarivelo, Mala, Sylla, Maryam, Diallo, Souleymane, Nymadawa, Pagbajabyn, Naranbat, Nymadawaagiin, Russomando, Graciela, Basualdo, Wilma, Komurian-Pradel, Florence, Endtz, Hubert, Vanhems, Philippe, Paranhos-Baccalà, Gláucia, Biological Research, Infectious diseases, (GABRIEL) Network, Epidemics, Laboratoire des pathogènes émergents -- Emerging Pathogens Laboratory (LPE-Fondation Mérieux), Centre International de Recherche en Infectiologie - UMR (CIRI), École normale supérieure - Lyon (ENS Lyon)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-École normale supérieure - Lyon (ENS Lyon)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS), Service d'Hygiène, Epidémiologie et Prévention [Hôpital Edouard Herriot - HCL], Hôpital Edouard Herriot [CHU - HCL], Hospices Civils de Lyon (HCL)-Hospices Civils de Lyon (HCL), National Paediatric Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing Pediatric Research Institute, Les Centres GHESKIO, Lucknow University, KEM Hospital Research Center, Centre d’Infectiologie Charles-Mérieux, Université d’Antananarivo - Madagascar, Université d'Antananarivo, Gabriel Toure Hospital [Bamako, Mali], Centre d'Infectiologie Charles Mérieux, Bamako, Mali, Mongolian Academy of Sciences (MAS), Research Institut of Health, Universidad Nacional de Asunción [Paraguay] (UNA), Department of Medical Microbiology and Infectious Diseases, Erasmus University Medical Center [Rotterdam] (Erasmus MC), Medical Microbiology & Infectious Diseases, Centre International de Recherche en Infectiologie (CIRI), École normale supérieure de Lyon (ENS de Lyon)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Université Jean Monnet - Saint-Étienne (UJM)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-École normale supérieure de Lyon (ENS de Lyon)-Université Claude Bernard Lyon 1 (UCBL), and Université de Lyon-Université de Lyon-Université Jean Monnet - Saint-Étienne (UJM)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)

Subjects
0301 basic medicine, Microbiology (medical), Male, medicine.medical_specialty, Mycoplasma pneumoniae, Asia, etiology, 030106 microbiology, Population, medicine.disease_cause, Mali, 03 medical and health sciences, 0302 clinical medicine, Human metapneumovirus, Internal medicine, Streptococcus pneumoniae, medicine, Pneumonia, Bacterial, Humans, 030212 general & internal medicine, Prospective Studies, education, Child, Preschool, Developing Countries, education.field_of_study, biology, business.industry, Bacterial, Infant, Pneumonia, biology.organism_classification, medicine.disease, [SDV.MP.BAC]Life Sciences [q-bio]/Microbiology and Parasitology/Bacteriology, Haiti, 3. Good health, respiratory tract diseases, Infectious Diseases, Child, Preschool, Case-Control Studies, Immunology, Attributable risk, [SDV.MP.VIR]Life Sciences [q-bio]/Microbiology and Parasitology/Virology, Etiology, [SDV.IMM]Life Sciences [q-bio]/Immunology, Female, Rhinovirus, business
Abstract

International audience; Background: Pneumonia, the leading infectious cause of child mortality globally, mainly afflicts developing countries. This prospective observational study aimed to assess the microorganisms associated with pneumonia in children aged \textless5 years in developing and emerging countries. Methods: A multicenter, case-control study by the GABRIEL (Global Approach to Biological Research, Infectious diseases and Epidemics in Low-income countries) network was conducted between 2010 and 2014 in Cambodia, China, Haiti, India (2 sites), Madagascar, Mali, Mongolia, and Paraguay. Cases were hospitalized children with radiologically confirmed pneumonia; controls were children from the same setting without any features suggestive of pneumonia. Nasopharyngeal swabs were collected from all subjects; 19 viruses and 5 bacteria were identified by reverse-transcription polymerase chain reaction. Associations between microorganisms and pneumonia were quantified by calculating the adjusted population attributable fraction (aPAF) after multivariate logistic regression analysis adjusted for sex, age, time period, other pathogens, and site. Results: Overall, 888 cases and 870 controls were analyzed; >=1 microorganism was detected in respiratory samples in 93.0% of cases and 74.4% of controls (P \textless .001). Streptococcus pneumoniae, Mycoplasma pneumoniae, human metapneumovirus, rhinovirus, respiratory syncytial virus (RSV), parainfluenza virus 1, 3, and 4, and influenza virus A and B were independently associated with pneumonia; aPAF was 42.2% (95% confidence interval [CI], 35.5%-48.2%) for S. pneumoniae, 18.2% (95% CI, 17.4%-19.0%) for RSV, and 11.2% (95% CI, 7.5%-14.7%) for rhinovirus. Conclusions: Streptococcus pneumoniae, RSV, and rhinovirus may be the major microorganisms associated with pneumonia infections in children \textless5 years of age from developing and emerging countries. Increasing S. pneumoniae vaccination coverage may substantially reduce the burden of pneumonia among children in developing countries.

Published
2017

27. Global, regional, and national disease burden estimates of acute lower respiratory infections due to respiratory syncytial virus in young children in 2015: A systematic review and modelling study

Author

UMC Utrecht, CTI Bont, Child Health, Infection & Immunity, Infectieziekten onderzoek1 (Bont), Shi, Ting, McAllister, David A., O'Brien, Katherine L., Simoes, Eric A. F., Madhi, Shabir A., Gessner, Bradford D., Polack, Fernando P., Balsells, Evelyn, Acacio, Sozinho, Aguayo, Claudia, Alassani, Issifou, Ali, Asad, Antonio, Martin, Awasthi, Shally, Awori, Juliet O., Azziz-Baumgartner, Eduardo, Baggett, Henry C., Baillie, Vicky L., Balmaseda, Angel, Barahona, Alfredo, Basnet, Sudha, Bassat, Quique, Basualdo, Wilma, Bigogo, Godfrey, Bont, Louis, Breiman, Robert F., Brooks, W. Abdullah, Broor, Shobha, Bruce, Nigel, Bruden, Dana, Buchy, Philippe, Campbell, Stuart, Carosone-Link, Phyllis, Chadha, Mandeep, Chipeta, James, Chou, Monidarin, Clara, Wilfrido, Cohen, Cheryl, de Cuellar, Elizabeth, Dang, Duc Anh, Dash-yandag, Budragchaagiin, Deloria-Knoll, Maria, Dherani, Mukesh, Eap, Tekchheng, Ebruke, Bernard E., Echavarria, Marcela, de Freitas Lázaro Emediato, Carla Cecília, Fasce, Rodrigo A., Feikin, Daniel R., Feng, Luzhao, Gentile, Angela, Gordon, Aubree, Goswami, Doli, Goyet, Sophie, Groome, Michelle J, Halasa, Natasha, Hirve, Siddhivinayak, Homaira, Nusrat, Howie, Stephen R.C., Jara, Jorge, Jroundi, Imane, Kartasasmita, Cissy B., Khuri-Bulos, Najwa, Kotloff, Karen L., Krishnan, Anand, Libster, Romina, Lopez, Olga, Lucero, Marilla G., Lucion, Florencia, Lupisan, Socorro P., Marcone, Debora N., McCracken, John P., Mejia, Mario, Moisi, Jennifer C., Montgomery, Joel M., Moore, David P., Moraleda, Cinta, Moyes, Jocelyn, Munywoki, Patrick, Mutyara, Kuswandewi, Nicol, Mark P., Nokes, D. James, Nymadawa, Pagbajabyn, da Costa Oliveira, Maria Tereza, Oshitani, Histoshi, Pandey, Nitin, Paranhos-Baccalà, Gláucia, Phillips, Lia N., Picot, Valentina Sanchez, Rahman, Mustafizur, Rakoto-Andrianarivelo, Mala, Rasmussen, Zeba A., Rath, Barbara A., Robinson, Annick, Romero, Candice, Russomando, Graciela, Salimi, Vahid, Sawatwong, Pongpun, Scheltema, Nienke, Schweiger, Brunhilde, Scott, J. Anthony G., Seidenberg, Phil, Shen, Kunling, Singleton, Rosalyn, Sotomayor, Viviana, Strand, Tor A., Sutanto, Agustinus, Sylla, Mariam, Tapia, Milagritos D., Thamthitiwat, Somsak, Thomas, Elizabeth D., Tokarz, Rafal, Turner, Claudia, Venter, Marietjie, Waicharoen, Sunthareeya, Wang, Jianwei, Watthanaworawit, Wanitda, Yoshida, Lay Myint, Yu, Hongjie, Zar, Heather J., Campbell, Harry, Nair, Harish, UMC Utrecht, CTI Bont, Child Health, Infection & Immunity, Infectieziekten onderzoek1 (Bont), Shi, Ting, McAllister, David A., O'Brien, Katherine L., Simoes, Eric A. F., Madhi, Shabir A., Gessner, Bradford D., Polack, Fernando P., Balsells, Evelyn, Acacio, Sozinho, Aguayo, Claudia, Alassani, Issifou, Ali, Asad, Antonio, Martin, Awasthi, Shally, Awori, Juliet O., Azziz-Baumgartner, Eduardo, Baggett, Henry C., Baillie, Vicky L., Balmaseda, Angel, Barahona, Alfredo, Basnet, Sudha, Bassat, Quique, Basualdo, Wilma, Bigogo, Godfrey, Bont, Louis, Breiman, Robert F., Brooks, W. Abdullah, Broor, Shobha, Bruce, Nigel, Bruden, Dana, Buchy, Philippe, Campbell, Stuart, Carosone-Link, Phyllis, Chadha, Mandeep, Chipeta, James, Chou, Monidarin, Clara, Wilfrido, Cohen, Cheryl, de Cuellar, Elizabeth, Dang, Duc Anh, Dash-yandag, Budragchaagiin, Deloria-Knoll, Maria, Dherani, Mukesh, Eap, Tekchheng, Ebruke, Bernard E., Echavarria, Marcela, de Freitas Lázaro Emediato, Carla Cecília, Fasce, Rodrigo A., Feikin, Daniel R., Feng, Luzhao, Gentile, Angela, Gordon, Aubree, Goswami, Doli, Goyet, Sophie, Groome, Michelle J, Halasa, Natasha, Hirve, Siddhivinayak, Homaira, Nusrat, Howie, Stephen R.C., Jara, Jorge, Jroundi, Imane, Kartasasmita, Cissy B., Khuri-Bulos, Najwa, Kotloff, Karen L., Krishnan, Anand, Libster, Romina, Lopez, Olga, Lucero, Marilla G., Lucion, Florencia, Lupisan, Socorro P., Marcone, Debora N., McCracken, John P., Mejia, Mario, Moisi, Jennifer C., Montgomery, Joel M., Moore, David P., Moraleda, Cinta, Moyes, Jocelyn, Munywoki, Patrick, Mutyara, Kuswandewi, Nicol, Mark P., Nokes, D. James, Nymadawa, Pagbajabyn, da Costa Oliveira, Maria Tereza, Oshitani, Histoshi, Pandey, Nitin, Paranhos-Baccalà, Gláucia, Phillips, Lia N., Picot, Valentina Sanchez, Rahman, Mustafizur, Rakoto-Andrianarivelo, Mala, Rasmussen, Zeba A., Rath, Barbara A., Robinson, Annick, Romero, Candice, Russomando, Graciela, Salimi, Vahid, Sawatwong, Pongpun, Scheltema, Nienke, Schweiger, Brunhilde, Scott, J. Anthony G., Seidenberg, Phil, Shen, Kunling, Singleton, Rosalyn, Sotomayor, Viviana, Strand, Tor A., Sutanto, Agustinus, Sylla, Mariam, Tapia, Milagritos D., Thamthitiwat, Somsak, Thomas, Elizabeth D., Tokarz, Rafal, Turner, Claudia, Venter, Marietjie, Waicharoen, Sunthareeya, Wang, Jianwei, Watthanaworawit, Wanitda, Yoshida, Lay Myint, Yu, Hongjie, Zar, Heather J., Campbell, Harry, and Nair, Harish

Published
2017

28. Microorganisms Associated With Pneumonia in Children <5 Years of Age in Developing and Emerging Countries: The GABRIEL Pneumonia Multicenter, Prospective, Case-Control Study

Author

Bénet, Thomas, primary, Sánchez Picot, Valentina, additional, Messaoudi, Mélina, additional, Chou, Monidarin, additional, Eap, Tekchheng, additional, Wang, Jianwei, additional, Shen, Kunling, additional, Pape, Jean-William, additional, Rouzier, Vanessa, additional, Awasthi, Shally, additional, Pandey, Nitin, additional, Bavdekar, Ashish, additional, Sanghavi, Sonali, additional, Robinson, Annick, additional, Rakoto-Andrianarivelo, Mala, additional, Sylla, Maryam, additional, Diallo, Souleymane, additional, Nymadawa, Pagbajabyn, additional, Naranbat, Nymadawaagiin, additional, Russomando, Graciela, additional, Basualdo, Wilma, additional, Komurian-Pradel, Florence, additional, Endtz, Hubert, additional, Vanhems, Philippe, additional, and Paranhos-Baccalà, Gláucia, additional

Published
2017
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29. Prevalence of Mycoplasma pneumoniae Infection in Malagasy Children

Author

Ravelomanana, Lova, primary, Bouazza, Naim, additional, Rakotomahefa, Mbola, additional, Andrianirina, André Zo, additional, Robinson, Annick Lalaina, additional, Raobidjaona, Honoré, additional, Andriamihaja, Rabezanahary, additional, Benhaddou, Nadjet, additional, Randrianirina, Fréderique, additional, Ratsima, Elisoa, additional, Imbert, Patrick, additional, and Raymond, Josette, additional

Published
2017
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30. Severity of Pneumonia in Under Five-Year Children From Developing Countries: Multicenter Prospective Observational Study

Author

Bénet, Thomas, primary, Picot, Valentina Sanchez, additional, Awasthi, Shally, additional, Pandey, Nitin, additional, Bavdeka, Ashish, additional, Sanghavi, Sonali, additional, Kawade, Anand, additional, Robinson, Annick, additional, Sylla, Mariam, additional, Diallo, Souleymane, additional, Russomando, Graciela, additional, Basualdo, Wilma, additional, Messaoudi, Melina, additional, Komurian-Pradel, Florence, additional, Endtz, Hubert, additional, Vanhems, Philippe, additional, and Paranhos-Baccalà, Gláucia, additional

Published
2016
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32. Multicenter case–control study protocol of pneumonia etiology in children: Global Approach to Biological Research, Infectious diseases and Epidemics in Low-income countries (GABRIEL network)

Author

Picot, Valentina Sanchez, primary, Bénet, Thomas, additional, Messaoudi, Melina, additional, Telles, Jean-Noël, additional, Chou, Monidarin, additional, Eap, Tekchheng, additional, Wang, Jianwei, additional, Shen, Kunling, additional, Pape, Jean-William, additional, Rouzier, Vanessa, additional, Awasthi, Shally, additional, Pandey, Nitin, additional, Bavdekar, Ashish, additional, Sanghvi, Sonali, additional, Robinson, Annick, additional, Contamin, Bénédicte, additional, Hoffmann, Jonathan, additional, Sylla, Maryam, additional, Diallo, Souleymane, additional, Nymadawa, Pagbajabyn, additional, Dash-Yandag, Budragchaagiin, additional, Russomando, Graciela, additional, Basualdo, Wilma, additional, Siqueira, Marilda M, additional, Barreto, Patricia, additional, Komurian-Pradel, Florence, additional, Vernet, Guy, additional, Endtz, Hubert, additional, Vanhems, Philippe, additional, and Paranhos-Baccalà, Gláucia, additional

Published
2014
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33. Severity of Pneumonia in Under 5-Year-Old Children from Developing Countries: A Multicenter, Prospective, Observational Study.

Author

Bénet, Thomas, Picot, Valentina Sanchez, Awasthi, Shally, Pandey, Nitin, Bavdekar, Ashish, Kawade, Anand, Robinson, Annick, Rakoto-Andrianarivelo, Mala, Sylla, Maryam, Diallo, Souleymane, Russomando, Graciela, Basualdo, Wilma, Komurian-Pradel, Florence, Endtz, Hubert, Vanhems, Philippe, and Paranhos-Baccalà, Gláucia

Published
2017
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35. Prevalence of Mycoplasma pneumoniaeInfection in Malagasy Children

Author

Ravelomanana, Lova, Bouazza, Naim, Rakotomahefa, Mbola, Andrianirina, André Zo, Robinson, Annick Lalaina, Raobidjaona, Honoré, Andriamihaja, Rabezanahary, Benhaddou, Nadjet, Randrianirina, Fréderique, Ratsima, Elisoa, Imbert, Patrick, and Raymond, Josette

Abstract

Supplemental Digital Content is available in the text.

Published
2017
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36. Identifying the etiology and pathophysiology underlying stunting and environmental enteropathy: study protocol of the AFRIBIOTA project

Author

Vonaesch, Pascale, Randremanana, Rindra, Gody, Jean-Chrysostome, Collard, Jean-Marc, Giles-Vernick, Tamara, Doria, Maria, Vigan-Womas, Inès, Rubbo, Pierre-Alain, Etienne, Aurélie, Andriatahirintsoa, Emilson J, Kapel, Nathalie, Brown, Eric, Huus, Kelsey E, Duffy, Darragh, Finlay, B.Brett, Hasan, Milena, Hunald, Francis A, Robinson, Annick, Manirakiza, Alexandre, Wegener-Parfrey, Laura, Vray, Muriel, and Sansonetti, Philippe J

Subjects
2. Zero hunger, digestive, oral, and skin physiology, 3. Good health
Abstract

Background: Globally one out of four children under 5 years is affected by linear growth delay (stunting). This syndrome has severe long-term sequelae including increased risk of illness and mortality and delayed psychomotor development. Stunting is a syndrome that is linked to poor nutrition and repeated infections. To date, the treatment of stunted children is challenging as the underlying etiology and pathophysiological mechanisms remain elusive. We hypothesize that pediatric environmental enteropathy (PEE), a chronic inflammation of the small intestine, plays a major role in the pathophysiology of stunting, failure of nutritional interventions and diminished response to oral vaccines, potentially via changes in the composition of the pro- and eukaryotic intestinal communities. The main objective of AFRIBIOTA is to describe the intestinal dysbiosis observed in the context of stunting and to link it to PEE. Secondary objectives include the identification of the broader socio-economic environment and biological and environmental risk factors for stunting and PEE as well as the testing of a set of easy-to-use candidate biomarkers for PEE. We also assess host outcomes including mucosal and systemic immunity and psychomotor development. This article describes the rationale and study protocol of the AFRIBIOTA project. Methods: AFRIBIOTA is a case-control study for stunting recruiting children in Bangui, Central African Republic and in Antananarivo, Madagascar. In each country, 460 children aged 2–5 years with no overt signs of gastrointestinal disease are recruited (260 with no growth delay, 100 moderately stunted and 100 severely stunted). We compare the intestinal microbiota composition (gastric and small intestinal aspirates; feces), the mucosal and systemic immune status and the psychomotor development of children with stunting and/or PEE compared to non-stunted controls. We also perform anthropological and epidemiological investigations of the children’s broader living conditions and assess risk factors using a standardized questionnaire. Discussion: To date, the pathophysiology and risk factors of stunting and PEE have been insufficiently investigated. AFRIBIOTA will add new insights into the pathophysiology underlying stunting and PEE and in doing so will enable implementation of new biomarkers and design of evidence-based treatment strategies for these two syndromes.

37. Monovalent rotavirus vaccine effectiveness and long-term impact among children <5 years old in Antananarivo, Madagascar, 2010-2022.

Author

Raboba JL, Rahajamanana VL, Rakotojoelimaria HE, Masembe YV, Martin PR, Weldegebriel GG, Diallo AO, Burnett E, Tate JE, Parashar UD, Mwenda JM, Seheri M, Magagula N, Mphahlele J, and Robinson AL

Abstract

Background: Monovalent rotavirus vaccine substantially reduced rotavirus disease burden after introduction (May 2014) in Madagascar. We examined the effectiveness and long-term impact on acute watery diarrhea and rotavirus-related hospitalizations among children <5 years old at two hospitals in Antananarivo, Madagascar (2010-2022)., Methods: We used a test-negative case-control design to estimate monovalent rotavirus vaccine effectiveness (VE) against laboratory-confirmed rotavirus hospitalizations among children age 6-23 months with documented vaccination status adjusted for year of symptom onset, rotavirus season, age group, nutritional status, and clinical severity. To evaluate the impact, we expanded to children age 0-59 months with acute watery diarrhea. First, we used admission logbook data to compare the proportion of all hospitalizations attributed to diarrhea in the pre-vaccine (January 2010-December 2013), transition period (January 2014-December 2014), and post-vaccine (January 2015-December 2022) periods. Second, we used active surveillance data (June 2013-May 2022) to describe rotavirus positivity and detected genotypes by vaccine introduction period and surveillance year (1 June-31 May)., Result: Adjusted VE of at least one dose against hospitalization due to rotavirus diarrhea among children age 6-23 months was 61 % (95 % CI: -39 %-89 %). The annual median proportion of hospitalizations attributed to diarrhea declined from 28 % in the pre-vaccine to 10 % in the post-vaccine period. Rotavirus positivity among hospitalized children age 0-59 months with acute watery diarrhea was substantially higher during the pre-vaccine (59 %) than the post-vaccine (23 %) period. In the pre-vaccine period, G3P[8] (76 %) and G2P[4] (12 %) were the dominant genotypes detected. Although genotypes varied by surveillance year, G1P[8] and G2P[4] represented >50 % of the genotypes detected post-introduction., Conclusions: Rotavirus vaccine has been successfully implemented in Madagascar's routine childhood immunization program and had a large impact on rotavirus disease burden, supporting continued use of rotavirus vaccines in Madagascar., Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2024. Published by Elsevier Ltd.)

Published
2024
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38. Efforts Towards Polio Eradication in Madagascar: 1997 to 2017.

Author

Nimpa MM, Razafiarivao NR, Robinson A, Fidiniaina MR, Razafindratsimandresy R, Masembe YV, Bodohanta CR, Kouadio IK, Nyazy IKK, Simpore M, Ndiaye CF, and Okeibunor JC

Abstract

Background: In 1988, the World Health Assembly launched the Global Polio Eradication Initiative. WHO AFRO is close to achieve this goal with the last wild poliovirus detected in 2014 in Borno States in Nigeria. The certification of the WHO African Region requires that all the 47 member states meet the critical indicators for a polio free status. Madagascar started implementing polio eradication activities in 1996 and was declared polio free in June 2018 in Abuja. This study describes the progress achieved towards polio eradication activities in Madagascar from 1977-2017 and highlights the remaining challenges to be addressed., Methods: Data were collected from the national routine immunization services, Country Acute Flaccid surveillance databases and national reports of SIAS and Mop Up campaign. Country complete polio and immunization related documentation provided detailed historical information's., Results: From 1997 to 2017, Madagascar reported one wild poliovirus (WPV) outbreak and four circulating Vaccine Derived Polio Virus (cVDPV) oubreaks with a total of 21 polioviruses (1 WPV and 21 cVDPV). The last WPV and cVDPV were notified in 1997 in Antananarivo and 2015 in Sakaraha health districts respectively. Madagascar met the main polio surveillance indicators over the last ten years and made significant progress following the last cVDPV2 outbreak in 2014 -2015. In addition, the country successfully implemented the switch from trivalent Oral Polio Vaccine (tOPV) to bivalent Oral Polio vaccine (bOPV) and containment activities. Environmental Surveillance established since 2015 did not reveal any poliovirus. The administrative coverage of the 3rd dose of oral polio vaccine (OPV3) varied across the years from 55% in 1991 to a maximum of 95% in 2007 before a progressive decrease to 86% in 2017. The percentage of AFP cases with more than 3 doses of oral polio vaccines increased from 56% in 2014 to 88% in 2017. A total of 19 supplementary immunization activities (SIA) were conducted in Madagascar from 1997 to 2017, among which 3 were subnational immunization days (sNID) and 16 were national immunization days (NIDs). Poor routine coverage contributed to the occurrence of cVDPC outbreaks in the country; addressing this should remain a key priority for the country to maintain the polio free status.From 2015 to June 2017, Madagascar achieved the required criteria leading to the acceptance of the country's polio-free documentation in June 2018 by ARCC. However, continuous efforts will be needed to maintain a highly sensitive polio surveillance system with emphasis on security compromised areas. Finally strengthening the health system and governance at all levels will be necessary if these achievements are to be sustained., Conclusions: High national political commitment and support of the Global Polio Eradication Partnership were critical for Madagascar to achieve polio free status. Socio-political instability, weakness of the health system, sub-optimal routine immunization performance, insufficient SIA quality and existing security compromised areas remain critical program challenges to address in order to maintaining the polio free status. Continuous high-level advocacy should be kept in order to ensure that new government authorities maintain polio eradication among the top priorities of the country.

Published
2021
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39. [Anthropometric profile of school children in Antananarivo].

Author

Razafimanantsoa F, Razafindramaro N, Raherimandimby H, Robinson A, RakotoAlson O, and Rasamindrakotroka A

Subjects
Body Height, Body Mass Index, Child, Child Nutrition Disorders diagnosis, Child Nutrition Disorders epidemiology, Child Nutritional Physiological Phenomena, Female, Growth Charts, Humans, Madagascar epidemiology, Male, Schools statistics & numerical data, Body Weights and Measures statistics & numerical data, Child Development
Published
2013
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