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2. CONTRIBUTORS

Author

Abahuje, Egide, primary, Abrahim, Orit, additional, Adetifa, Ifedayo M.O., additional, Ajjampur, Sitara S.R., additional, Alexander, Suceena, additional, PhD, Chiara Altare,, additional, Alves, Fabiana, additional, Andrianaivoarimanana, Voahangy, additional, Angelakis, Emmanouil, additional, Aronson, Jeffrey K., additional, Atukorala, Inoshi G., additional, Baily, Guy, additional, Baker, Stephen, additional, Barrett, Alan D.T., additional, Basnyat, Buddha, additional, Bastawrous, Andrew, additional, Bates, Imelda, additional, Bausch, Daniel G., additional, Baxter, Cheryl, additional, Beare, Nicholas A.V., additional, Beeching, Nick J., additional, Bekker, Linda-Gail, additional, Berlin, Anita, additional, FRS, Zulfiqar A. Bhutta, additional, Bloom, David E., additional, Blumberg, Lucille, additional, Boelaert, Marleen, additional, Brett-Major, David, additional, Brooker, Simon J., additional, Brouwer, Matthijs C., additional, Brunetti, Enrico, additional, Bull, Susan, additional, Bundy, Donald A.P., additional, Burri, Christian, additional, Bustinduy, Amaya L., additional, Caillet, Céline, additional, Chai, Jong Yil, additional, Chang, Thashi, additional, Chappuis, François, additional, Chibi, Buyisile, additional, Chiodini, Peter L., additional, Chowdhury, Rajiv, additional, Chowdhury, Sudipta Dhar, additional, Clemens, John D., additional, Cooke, Graham S., additional, Cotton, Mark F., additional, Currie, Bart J., additional, Cusack, Tomas-Paul, additional, Dance, David A.B., additional, Davis, Emily H., additional, Day, Nicholas P.J., additional, Deen, Jacqueline, additional, Dondorp, Arjen M., additional, Dünser, Martin W., additional, Eitzen, Edward, additional, Chebib, Hassan El, additional, Enria, Delia, additional, Faust, Christina, additional, Fekadu, Abebaw, additional, Fink, Günther, additional, Fischer, Peter U., additional, Fletcher, Tom, additional, Franco-Paredes, Carlos, additional, French, Neil, additional, Frumkin, Howard, additional, Garcia, Hector H., additional, Gerada, Alessandro, additional, Glass, Roger I., additional, Gordon, Stephen B., additional, Gottstein, Bruno, additional, Goyal, Alpesh, additional, Grey, Jonathan, additional, Gupta, Yashdeep, additional, Haines, Andy, additional, Hampson, Katie, additional, Hanlon, Charlotte, additional, Harrison, Mark, additional, Haswell, Melissa R., additional, Hawkesworth, Sophie, additional, Hay, Roderick J., additional, Heckmann, Jeannine M., additional, Heimesaat, Markus M., additional, Henao-Martínez, Andrés F., additional, Hien, Tran Tinh, additional, Hoerauf, Achim, additional, Irfan, Omar, additional, PhD, Euzebiusz Jamrozik, additional, Jobe, Modou, additional, John, George T., additional, Jones, Nick K., additional, Jones, Malcolm K., additional, Junghanss, Thomas, additional, Kaewkes, Sasithorn, additional, Karim, Quarraisha Abdool, additional, Keiser, Jennifer, additional, Kelly, Paul, additional, Khan, Amira M., additional, King, Charles H., additional, Kishore, Sandeep P., additional, Lang, Trudie, additional, Le, Thuy, additional, Liesenfeld, Oliver, additional, Lockwood, Diana N.J., additional, Mabey, David C.W., additional, Madkour, M. Monir, additional, Manesh, Abi, additional, Masekela, Refiloe, additional, Mäser, Pascal, additional, Mayaud, Philippe, additional, Mbanya, Dora, additional, McCarthy, James S., additional, McCartney, Daniel J., additional, McGready, Rose, additional, McKee, Martin, additional, Mc, Namara, Paul S., additional, Meara, John G., additional, Meintjes, Graeme, additional, Merson, Laura, additional, Mola, Glen, additional, Morassutti, Alessandra L., additional, Morris-Jones, Rachael, additional, Mortimer, Kevin J., additional, Muliyil, Divya Elizabeth, additional, Mumcuoglu, Kosta Y., additional, Munoz, Flor M., additional, Murphy, Adrianna, additional, Mutabingwa, Theonest, additional, Nawa, Yukifumi, additional, Newton, Paul N., additional, Nightingale, Sam, additional, Nokes, D. James, additional, Nosten, François H., additional, O’Hea, Jennifer, additional, Olliaro, Piero, additional, Ong, Jason J., additional, Oommen, Anu Mary, additional, Parashar, Umesh D., additional, Paris, Daniel H., additional, Parker, Michael, additional, Pluschke, Gerd, additional, Preidis, Geoffrey A., additional, Prentice, Andrew M., additional, Quail, Geoffrey, additional, Quinn, Thomas C., additional, Rabie, Helena, additional, Rajashekharaiah, Harsha, additional, Rajerison, Minoarisoa, additional, Ranganathan, Kannan, additional, Raoult, Didier, additional, Rassi,, Anis, additional, Ravi, Vasanthapuram, additional, Reddy, K. Srinath, additional, Rees, Claire, additional, Reynolds, Steven J., additional, Richter, Joachim, additional, Rijken, Marcus J., additional, Riviello, Robert, additional, Robinson, Janet, additional, Salazar, Juan C., additional, Schultz, Marcus J., additional, Schwarz, Dan, additional, Sendagire, Ibrahim, additional, Sharma, Savitri, additional, Shawon, Shajedur Rahman, additional, Singh, Bhagteshwar, additional, Sithithaworn, Paiboon, additional, Siwila, Joyce, additional, Solomon, Tom, additional, Spiegel, Paul, additional, Sridhar, Devi, additional, Sripa, Banchob, additional, Srour, M. Leila, additional, Stojković, Marija, additional, Strader, Christopher, additional, Suárez, Jose A., additional, Sundar, Shyam, additional, Tamarozzi, Francesca, additional, Tandon, Nikhil, additional, Tate, Jacqueline E., additional, Thachil, Jecko, additional, Thomson, Madeleine C., additional, Thwaites, Guy, additional, Thwaites, C. Louise, additional, van Daalen, Kim R., additional, Beek, Diederik van de, additional, van Doorn, H. Rogier, additional, Vega-Lopez, Francisco, additional, von Seidlein, MD, PhD, Lorenz, additional, Wakeham, Katie, additional, Walker, Stephen L., additional, Wallace, Ryan M., additional, Ward, Honorine, additional, Warrell, David A., additional, Weber, Tim Frederik, additional, Weil, Gary J., additional, White, Nicholas J., additional, White, MB Ch, B, Graham B., additional, Wong, Vanessa, additional, Wood, Robin, additional, Wood, Georgina, additional, Wyllie, Sarah, additional, Yacoub, Sophie, additional, Yen, Lam Minh, additional, Young, Paul R., additional, and Zafren, Ken, additional

Published
2024
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3. Effect of single-dose, live, attenuated dengue vaccine in children with or without previous dengue on risk of subsequent, virologically confirmed dengue in Cebu, the Philippines: a longitudinal, prospective, population-based cohort study

Author

Ylade, Michelle, Crisostomo, Maria Vinna, Daag, Jedas Veronica, Agrupis, Kristal An, Cuachin, Anna Maureen, Sy, Ava Kristy, Kim, Deok Ryun, Ahn, Hyeon Seon, Escoto, Ana Coello, Katzelnick, Leah C, Adams, Cameron, White, Laura, de Silva, Aravinda M, Deen, Jacqueline, and Lopez, Anna Lena

Published
2024
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4. Dengue

Author

Paz-Bailey, Gabriela, Adams, Laura E, Deen, Jacqueline, Anderson, Kathryn B, and Katzelnick, Leah C

Published
2024
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6. High transmission of endemic human coronaviruses before and during the COVID-19 pandemic in adolescents in Cebu, Philippines.

Author

Joseph, Janet O., Ylade, Michelle, Daag, Jedas Veronica, Aogo, Rosemary, Crisostomo, Maria Vinna, Mpingabo, Patrick, Premkumar, Lakshmanane, Deen, Jacqueline, and Katzelnick, Leah C.

Subjects
COVID-19 pandemic, ENZYME-linked immunosorbent assay, INFECTIOUS disease transmission, COVID-19 vaccines, BETACORONAVIRUS
Abstract

Background: SARS-CoV-2, the causative agent of COVID-19, is a betacoronavirus belonging to the same genus as endemic human coronaviruses (hCoVs) OC43 and HKU1 and is distinct from alpha hCoVs 229E and NL63. In a study of adolescents in the Philippines, we evaluated seroprevalence to the hCoVs, whether pre-pandemic hCoV immunity modulated subsequent risk of SARS-CoV-2 infection, and if SARS-CoV-2 infection affected the transmission of the hCoVs. Methods: From 499 individuals screened in 2021 for SARS-CoV-2 receptor binding domain (RBD) antibodies by enzyme-linked immunosorbent assay (ELISA), we randomly selected 59 SARS-CoV-2 negative and 61 positive individuals for further serological evaluation. We measured RBD and spike antibodies to the four hCoVs and SARS-CoV-2 by ELISA in samples from the same participants collected pre-pandemic (2018–2019) and mid-pandemic (2021), before COVID-19 vaccination. Results: We observed over 72% seropositivity to the four hCoVs pre-pandemic. Binding antibodies increased with age to 229E and OC43, suggesting endemic circulation, while antibody levels was flat across ages for HKU1 and NL63. During the COVID-19 pandemic, antibodies increased significantly to the RBDs of OC43, NL63, and 229E and spikes of all four hCoVs in both SARS-CoV-2 negative and positive adolescents. Those aged 12–15 years old in 2021 had higher antibodies to RBD and spike of OC43, NL63, and 229E than adolescents the same age in 2019, further demonstrating intense transmission of the hCoVs during the pandemic. Conclusions: We observe a limited impact of the COVID-19 pandemic on endemic hCoV transmission. This study provides insight into co-circulation of hCoVs and SARS-CoV-2. [ABSTRACT FROM AUTHOR]

Published
2024
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7. Dengue virus IgG and serotype-specific neutralizing antibody titers measured with standard and mature viruses are associated with protection

Author

Katzelnick, Leah, primary, Odio, Camila, additional, Daag, Jedas, additional, Crisostomo, Maria Vinna, additional, Voirin, Charlie, additional, Escoto, Ana Coello, additional, Adams, Cameron, additional, Hein, Lindsay Dahora, additional, Aogo, Rosemary, additional, Mpingabo, Patrick, additional, Rodriguez, Guillermo Raimundi, additional, Firdous, Saba, additional, Fernandez, Maria Abad, additional, White, Laura, additional, Agrupis, Kristal-An, additional, Deen, Jacqueline, additional, de Silva, Aravinda, additional, and Ylade, Michelle, additional

Published
2024
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9. Care seeking for childhood illnesses in rural Mtwara, south-east Tanzania: a mixed methods study.

Author

Mshamu, Salum, Meta, Judith, Sanga, Casiana, Day, Nicholas, Mukaka, Mavuto, Adhikari, Bipin, Deen, Jacqueline, Knudsen, Jakob, Pell, Christopher, and Seidlein, Lorenz von

Subjects
HEALTH facilities, INSTITUTIONAL care, RURAL housing, MEDICAL personnel, DRUGSTORES, MEDICAL needs assessment
Abstract

Background Care seeking was assessed in preparation for a study of the health impact of novel design houses in rural Mtwara, Tanzania. Methods A total of 578 residents of 60 villages participated in this mixed-methods study from April to August 2020. Among them, 550 participated in a healthcare-seeking survey, 17 in in-depth interviews and 28 in key informant interviews. Results The decision to seek care was based on symptom severity (95.4% [370]). Caregivers first visited non-allopathic healthcare providers or were treated at home, which led to delays in seeking care at healthcare facilities. More than one-third (36.0% [140]) of respondents took >12 h seeking care at healthcare facilities. The majority (73.0% [282]) visited healthcare facilities, whereas around one-fifth (21.0% [80]) sought care at drug stores. Treatment costs deterred respondents from visiting healthcare facilities (61.4% [338]). Only 10 (3.6%) of the households surveyed reported that they were covered by health insurance. Conclusions Quality of care, related to institutional factors, impacts timely care seeking for childhood illnesses in Mtwara, Tanzania. Ensuring accessibility of facilities is therefore not sufficient. [ABSTRACT FROM AUTHOR]

Published
2024
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11. Envelope-dimer epitope-like broadly protective antibodies against dengue in children following natural infection and vaccination.

Author

Mpingabo PI, Ylade M, Aogo RA, Crisostomo MV, Thiono DJ, Daag JV, Agrupis KA, Escoto AC, Raimundi-Rodriguez GL, Odio CD, Fernandez MA, White L, de Silva AM, Deen J, and Katzelnick LC

Abstract

Cross-reactive antibodies (Abs) to epitopes that span envelope proteins on the virion surface are hypothesized to protect against dengue. Here, we measured Abs targeting the quaternary envelope dimer epitope (EDE) as well as neutralizing and binding Abs and evaluate their association with dengue virus (DENV) infection, vaccine response, and disease outcome in dengue vaccinated and unvaccinated children (n=252) within a longitudinal cohort in Cebu, Philippines (n=2,996). Abs targeting EDE were prevalent and strongly associated with broad neutralization of DENV1-4 in those with baseline multitypic immunity. Subsequent natural infection and vaccination boosted EDE-like, neutralizing, and binding Abs. EDE-like Abs were associated with reduced dengue risk and mediated the protective effect of binding and neutralizing Abs on symptomatic and severe dengue. Thus, Abs targeting quaternary epitopes help explain broad cross protection in those with multiple prior DENV exposures, making them useful for evaluation and development of future vaccines and therapeutics.

Published
2024
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12. Dengue virus IgG and serotype-specific neutralizing antibody titers measured with standard and mature viruses are associated with protection.

Author

Katzelnick L, Odio C, Daag J, Crisostomo MV, Voirin C, Escoto AC, Adams C, Hein LD, Aogo R, Mpingabo P, Rodriguez GR, Firdous S, Fernandez MA, White L, Agrupis KA, Deen J, de Silva A, and Ylade M

Abstract

Recent work demonstrates the limitations of the standard dengue virus (DENV) neutralization assay to predict protection against dengue. We perform studies to compare how a commercial IgG ELISA, envelope domain III (EDIII) or non-structural protein 1 (NS1) binding antibodies, and titers from plaque reduction neutralization tests (PRNTs) using reference standard and clinical mature viruses are associated with dengue disease. Healthy children (n = 1,206) in Cebu, Philippines were followed for 5 years. High ELISA values (≥3) were associated with reduced dengue probability relative to naïve children (3% vs. 10%, p = 0.008), but antibody binding EDIII or NS1 from each serotype had no association. High standard and mature geometric mean PRNT titers were associated with reduced dengue disease overall (p < 0.01), and high DENV2 and DENV3 titers in both assays provided protection against the matched serotype (p < 0.02). However, while 52% of dengue cases had standard virus PRNT titers > 100, only 2% of cases had mature virus PRNT titers > 100 (p < 0.001), indicating a lower, more consistent threshold for protection. Each assay may be useful for different purposes as correlates of protection in population and vaccine trials., Competing Interests: Declaration of Interests: The authors declare no conflicts of interest.

Published
2024
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