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Malembaka EB, Bugeme PM, Hutchins C, Xu H, Hulse JD, Demby MN, Gallandat K, Saidi JM, Rumedeka BB, Itongwa M, Tshiwedi-Tsilabia E, Kitoga F, Bodisa-Matamu T, Kavunga-Membo H, Bengehya J, Kulondwa JC, Debes AK, Taty N, Lee EC, Lunguya O, Lessler J, Leung DT, Cumming O, Okitayemba PW, Mukadi-Bamuleka D, Knee J, Azman AS. Effectiveness of one dose of killed oral cholera vaccine in an endemic community in the Democratic Republic of the Congo: a matched case-control study. Lancet Infect Dis 2024; 24:514-522. [PMID: 38246191 PMCID: PMC11043051 DOI: 10.1016/s1473-3099(23)00742-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 11/07/2023] [Accepted: 11/21/2023] [Indexed: 01/23/2024]
Abstract
BACKGROUND A global shortage of cholera vaccines has increased the use of single-dose regimens, rather than the standard two-dose regimen. There is sparse evidence on single-dose protection, particularly in children. In 2020, a mass vaccination campaign was conducted in Uvira, an endemic urban setting in eastern Democratic Republic of the Congo, resulting in largely single-dose coverage. We examined the effectiveness of a single-dose of the oral cholera vaccine Euvichol-Plus in this high-burden setting. METHODS In this matched case-control study, we recruited individuals with medically attended confirmed cholera in the two cholera treatment facilities in the city of Uvira. The control group consisted of age-matched, sex-matched, and neighbourhood-matched community individuals. We recruited across two distinct periods: Oct 14, 2021, to March 10, 2022 (12-17 months after vaccination), and Nov 21, 2022, to Oct 18, 2023 (24-36 months after vaccination). Study staff administered structured questionnaires to all participants to capture demographics, household conditions, potential confounding variables, and vaccination status. The odds of vaccination for the case and control groups were contrasted in conditional logistic regression models to estimate unadjusted and adjusted vaccine effectiveness. FINDINGS We enrolled 658 individuals with confirmed cholera and 2274 matched individuals for the control group. 99 (15·1%) individuals in the case group were younger than 5 years at the time of vaccination. The adjusted single-dose vaccine effectiveness was 52·7% (95% CI 31·4 to 67·4) 12-17 months after vaccination and 44·7% (24·8 to 59·4) 24-36 months after vaccination. Although protection in the first 12-17 months after vaccination was similar for children aged 1-4 years and older individuals, the estimate of protection in children aged 1-4 years appeared to wane during the third year after vaccination (adjusted vaccine effectiveness 32·9%, 95% CI -30·7 to 65·5), with CIs spanning the null. INTERPRETATION A single dose of Euvichol-Plus provided substantial protection against medically attended cholera for at least 36 months after vaccination in this cholera-endemic setting. Although the evidence provides support for similar levels of protection in young children and others in the short term, protection among children younger than 5 years might wane significantly during the third year after vaccination. FUNDING Wellcome Trust and Gavi, the Vaccine Alliance.
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Affiliation(s)
- Espoir Bwenge Malembaka
- Department of Epidemiology, Johns Hopkins University, Baltimore, MD, USA; Centre for Tropical Diseases and Global Health (CTDGH), Université Catholique de Bukavu, Bukavu, Democratic Republic of the Congo
| | - Patrick Musole Bugeme
- Department of Epidemiology, Johns Hopkins University, Baltimore, MD, USA; Centre for Tropical Diseases and Global Health (CTDGH), Université Catholique de Bukavu, Bukavu, Democratic Republic of the Congo
| | - Chloe Hutchins
- Department of Disease Control, London School of Hygiene & Tropical Medicine, London, UK
| | - Hanmeng Xu
- Department of Epidemiology, Johns Hopkins University, Baltimore, MD, USA
| | - Juan Dent Hulse
- Department of Epidemiology, Johns Hopkins University, Baltimore, MD, USA
| | - Maya N Demby
- Department of Epidemiology, Johns Hopkins University, Baltimore, MD, USA
| | - Karin Gallandat
- Department of Disease Control, London School of Hygiene & Tropical Medicine, London, UK
| | - Jaime Mufitini Saidi
- Ministère de la Santé Publique, Hygiène et Prévention, Zone de Santé d'Uvira, Uvira, Democratic Republic of the Congo
| | | | | | | | - Faida Kitoga
- Rodolphe Merieux INRB-Goma Laboratory, Goma, North Kivu, Democratic Republic of the Congo
| | - Tavia Bodisa-Matamu
- Rodolphe Merieux INRB-Goma Laboratory, Goma, North Kivu, Democratic Republic of the Congo
| | - Hugo Kavunga-Membo
- Rodolphe Merieux INRB-Goma Laboratory, Goma, North Kivu, Democratic Republic of the Congo; Institut National de Recherche Biomédicale, INRB, Kinshasa, Democratic Republic of the Congo
| | - Justin Bengehya
- Ministère de la Santé Publique, Hygiène et Prévention, Division Provinciale de la Sante' Publique du Sud-Kivu, Bukavu, Democratic Republic of the Congo
| | - Jean-Claude Kulondwa
- Ministère de la Santé Publique, Hygiène et Prévention, Division Provinciale de la Sante' Publique du Sud-Kivu, Bukavu, Democratic Republic of the Congo
| | - Amanda K Debes
- Department of International Health, Johns Hopkins University, Baltimore, MD, USA
| | - Nagède Taty
- PNECHOL-MD, Community IMCI, Ministry of Health, Kinshasa, Democratic Republic of the Congo
| | - Elizabeth C Lee
- Department of Epidemiology, Johns Hopkins University, Baltimore, MD, USA
| | - Octavie Lunguya
- Institut National de Recherche Biomédicale, INRB, Kinshasa, Democratic Republic of the Congo; Service of Microbiology, Department of Medical Biology, University of Kinshasa, Kinshasa, Democratic Republic of the Congo
| | - Justin Lessler
- Department of Epidemiology, Johns Hopkins University, Baltimore, MD, USA; University of North Carolina Population Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA; Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Daniel T Leung
- Division of Infectious Diseases and Division of Microbiology and Immunology, University of Utah School of Medicine, Salt Lake City, Utah, USA
| | - Oliver Cumming
- Department of Disease Control, London School of Hygiene & Tropical Medicine, London, UK
| | | | - Daniel Mukadi-Bamuleka
- Rodolphe Merieux INRB-Goma Laboratory, Goma, North Kivu, Democratic Republic of the Congo; Institut National de Recherche Biomédicale, INRB, Kinshasa, Democratic Republic of the Congo; Service of Microbiology, Department of Medical Biology, University of Kinshasa, Kinshasa, Democratic Republic of the Congo
| | - Jackie Knee
- Department of Disease Control, London School of Hygiene & Tropical Medicine, London, UK
| | - Andrew S Azman
- Department of Epidemiology, Johns Hopkins University, Baltimore, MD, USA; Geneva Centre for Emerging Viral Diseases and Division of Tropical and Humanitarian Medicine, Geneva University Hospitals, Geneva, Switzerland.
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Wiens KE, Mawien PN, Rumunu J, Slater D, Jones FK, Moheed S, Caflisch A, Bior BK, Jacob IA, Lako RL, Guyo AG, Olu OO, Maleghemi S, Baguma A, Hassen JJ, Baya SK, Deng L, Lessler J, Demby MN, Sanchez V, Mills R, Fraser C, Charles RC, Harris JB, Azman AS, Wamala JF. Seroprevalence of Severe Acute Respiratory Syndrome Coronavirus 2 IgG in Juba, South Sudan, 2020 1. Emerg Infect Dis 2021; 27:1598-1606. [PMID: 34013872 PMCID: PMC8153877 DOI: 10.3201/eid2706.210568] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Relatively few coronavirus disease cases and deaths have been reported from sub-Saharan Africa, although the extent of its spread remains unclear. During August 10-September 11, 2020, we recruited 2,214 participants for a representative household-based cross-sectional serosurvey in Juba, South Sudan. We found 22.3% of participants had severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) receptor binding domain IgG titers above prepandemic levels. After accounting for waning antibody levels, age, and sex, we estimated that 38.3% (95% credible interval 31.8%-46.5%) of the population had been infected with SARS-CoV-2. At this rate, for each PCR-confirmed SARS-CoV-2 infection reported by the Ministry of Health, 103 (95% credible interval 86-126) infections would have been unreported, meaning SARS-CoV-2 has likely spread extensively within Juba. We also found differences in background reactivity in Juba compared with Boston, Massachusetts, USA, where the immunoassay was validated. Our findings underscore the need to validate serologic tests in sub-Saharan Africa populations.
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Affiliation(s)
- Kirsten E. Wiens
- Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA (K.E. Wiens, F.K. Jones, J. Lessler, M.N. Demby, A.S. Azman)
- Republic of South Sudan Ministry of Health, Juba, South Sudan (P.N. Mawien, J. Rumunu, B.K. Bior, I.A. Jacob, R.L. Lako, L. Deng)
- Massachusetts General Hospital, Boston, Massachusetts, USA (D. Slater, S. Moheed, V. Sanchez, R. Mills, C. Fraser, R.C. Charles, J.B. Harris)
- International Organization for Migration, Juba (A. Caflisch)
- World Health Organization, Juba (A.G. Guyo, O.O. Olu, S. Maleghemi, A. Baguma, J.J. Hassen, S.K. Baya, J.F. Wamala)
- Kabale University School of Medicine, Kabale, Uganda (A. Baguma)
- Harvard Medical School, Boston (R.C. Charles, J.B. Harris)
- Médecins Sans Frontières, Geneva, Switzerland (A.S. Azman)
- Institute of Global Health, Geneva (A.S. Azman)
| | - Pinyi Nyimol Mawien
- Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA (K.E. Wiens, F.K. Jones, J. Lessler, M.N. Demby, A.S. Azman)
- Republic of South Sudan Ministry of Health, Juba, South Sudan (P.N. Mawien, J. Rumunu, B.K. Bior, I.A. Jacob, R.L. Lako, L. Deng)
- Massachusetts General Hospital, Boston, Massachusetts, USA (D. Slater, S. Moheed, V. Sanchez, R. Mills, C. Fraser, R.C. Charles, J.B. Harris)
- International Organization for Migration, Juba (A. Caflisch)
- World Health Organization, Juba (A.G. Guyo, O.O. Olu, S. Maleghemi, A. Baguma, J.J. Hassen, S.K. Baya, J.F. Wamala)
- Kabale University School of Medicine, Kabale, Uganda (A. Baguma)
- Harvard Medical School, Boston (R.C. Charles, J.B. Harris)
- Médecins Sans Frontières, Geneva, Switzerland (A.S. Azman)
- Institute of Global Health, Geneva (A.S. Azman)
| | - John Rumunu
- Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA (K.E. Wiens, F.K. Jones, J. Lessler, M.N. Demby, A.S. Azman)
- Republic of South Sudan Ministry of Health, Juba, South Sudan (P.N. Mawien, J. Rumunu, B.K. Bior, I.A. Jacob, R.L. Lako, L. Deng)
- Massachusetts General Hospital, Boston, Massachusetts, USA (D. Slater, S. Moheed, V. Sanchez, R. Mills, C. Fraser, R.C. Charles, J.B. Harris)
- International Organization for Migration, Juba (A. Caflisch)
- World Health Organization, Juba (A.G. Guyo, O.O. Olu, S. Maleghemi, A. Baguma, J.J. Hassen, S.K. Baya, J.F. Wamala)
- Kabale University School of Medicine, Kabale, Uganda (A. Baguma)
- Harvard Medical School, Boston (R.C. Charles, J.B. Harris)
- Médecins Sans Frontières, Geneva, Switzerland (A.S. Azman)
- Institute of Global Health, Geneva (A.S. Azman)
| | - Damien Slater
- Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA (K.E. Wiens, F.K. Jones, J. Lessler, M.N. Demby, A.S. Azman)
- Republic of South Sudan Ministry of Health, Juba, South Sudan (P.N. Mawien, J. Rumunu, B.K. Bior, I.A. Jacob, R.L. Lako, L. Deng)
- Massachusetts General Hospital, Boston, Massachusetts, USA (D. Slater, S. Moheed, V. Sanchez, R. Mills, C. Fraser, R.C. Charles, J.B. Harris)
- International Organization for Migration, Juba (A. Caflisch)
- World Health Organization, Juba (A.G. Guyo, O.O. Olu, S. Maleghemi, A. Baguma, J.J. Hassen, S.K. Baya, J.F. Wamala)
- Kabale University School of Medicine, Kabale, Uganda (A. Baguma)
- Harvard Medical School, Boston (R.C. Charles, J.B. Harris)
- Médecins Sans Frontières, Geneva, Switzerland (A.S. Azman)
- Institute of Global Health, Geneva (A.S. Azman)
| | - Forrest K. Jones
- Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA (K.E. Wiens, F.K. Jones, J. Lessler, M.N. Demby, A.S. Azman)
- Republic of South Sudan Ministry of Health, Juba, South Sudan (P.N. Mawien, J. Rumunu, B.K. Bior, I.A. Jacob, R.L. Lako, L. Deng)
- Massachusetts General Hospital, Boston, Massachusetts, USA (D. Slater, S. Moheed, V. Sanchez, R. Mills, C. Fraser, R.C. Charles, J.B. Harris)
- International Organization for Migration, Juba (A. Caflisch)
- World Health Organization, Juba (A.G. Guyo, O.O. Olu, S. Maleghemi, A. Baguma, J.J. Hassen, S.K. Baya, J.F. Wamala)
- Kabale University School of Medicine, Kabale, Uganda (A. Baguma)
- Harvard Medical School, Boston (R.C. Charles, J.B. Harris)
- Médecins Sans Frontières, Geneva, Switzerland (A.S. Azman)
- Institute of Global Health, Geneva (A.S. Azman)
| | - Serina Moheed
- Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA (K.E. Wiens, F.K. Jones, J. Lessler, M.N. Demby, A.S. Azman)
- Republic of South Sudan Ministry of Health, Juba, South Sudan (P.N. Mawien, J. Rumunu, B.K. Bior, I.A. Jacob, R.L. Lako, L. Deng)
- Massachusetts General Hospital, Boston, Massachusetts, USA (D. Slater, S. Moheed, V. Sanchez, R. Mills, C. Fraser, R.C. Charles, J.B. Harris)
- International Organization for Migration, Juba (A. Caflisch)
- World Health Organization, Juba (A.G. Guyo, O.O. Olu, S. Maleghemi, A. Baguma, J.J. Hassen, S.K. Baya, J.F. Wamala)
- Kabale University School of Medicine, Kabale, Uganda (A. Baguma)
- Harvard Medical School, Boston (R.C. Charles, J.B. Harris)
- Médecins Sans Frontières, Geneva, Switzerland (A.S. Azman)
- Institute of Global Health, Geneva (A.S. Azman)
| | - Andrea Caflisch
- Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA (K.E. Wiens, F.K. Jones, J. Lessler, M.N. Demby, A.S. Azman)
- Republic of South Sudan Ministry of Health, Juba, South Sudan (P.N. Mawien, J. Rumunu, B.K. Bior, I.A. Jacob, R.L. Lako, L. Deng)
- Massachusetts General Hospital, Boston, Massachusetts, USA (D. Slater, S. Moheed, V. Sanchez, R. Mills, C. Fraser, R.C. Charles, J.B. Harris)
- International Organization for Migration, Juba (A. Caflisch)
- World Health Organization, Juba (A.G. Guyo, O.O. Olu, S. Maleghemi, A. Baguma, J.J. Hassen, S.K. Baya, J.F. Wamala)
- Kabale University School of Medicine, Kabale, Uganda (A. Baguma)
- Harvard Medical School, Boston (R.C. Charles, J.B. Harris)
- Médecins Sans Frontières, Geneva, Switzerland (A.S. Azman)
- Institute of Global Health, Geneva (A.S. Azman)
| | - Bior K. Bior
- Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA (K.E. Wiens, F.K. Jones, J. Lessler, M.N. Demby, A.S. Azman)
- Republic of South Sudan Ministry of Health, Juba, South Sudan (P.N. Mawien, J. Rumunu, B.K. Bior, I.A. Jacob, R.L. Lako, L. Deng)
- Massachusetts General Hospital, Boston, Massachusetts, USA (D. Slater, S. Moheed, V. Sanchez, R. Mills, C. Fraser, R.C. Charles, J.B. Harris)
- International Organization for Migration, Juba (A. Caflisch)
- World Health Organization, Juba (A.G. Guyo, O.O. Olu, S. Maleghemi, A. Baguma, J.J. Hassen, S.K. Baya, J.F. Wamala)
- Kabale University School of Medicine, Kabale, Uganda (A. Baguma)
- Harvard Medical School, Boston (R.C. Charles, J.B. Harris)
- Médecins Sans Frontières, Geneva, Switzerland (A.S. Azman)
- Institute of Global Health, Geneva (A.S. Azman)
| | - Iboyi Amanya Jacob
- Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA (K.E. Wiens, F.K. Jones, J. Lessler, M.N. Demby, A.S. Azman)
- Republic of South Sudan Ministry of Health, Juba, South Sudan (P.N. Mawien, J. Rumunu, B.K. Bior, I.A. Jacob, R.L. Lako, L. Deng)
- Massachusetts General Hospital, Boston, Massachusetts, USA (D. Slater, S. Moheed, V. Sanchez, R. Mills, C. Fraser, R.C. Charles, J.B. Harris)
- International Organization for Migration, Juba (A. Caflisch)
- World Health Organization, Juba (A.G. Guyo, O.O. Olu, S. Maleghemi, A. Baguma, J.J. Hassen, S.K. Baya, J.F. Wamala)
- Kabale University School of Medicine, Kabale, Uganda (A. Baguma)
- Harvard Medical School, Boston (R.C. Charles, J.B. Harris)
- Médecins Sans Frontières, Geneva, Switzerland (A.S. Azman)
- Institute of Global Health, Geneva (A.S. Azman)
| | - Richard Lino Lako
- Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA (K.E. Wiens, F.K. Jones, J. Lessler, M.N. Demby, A.S. Azman)
- Republic of South Sudan Ministry of Health, Juba, South Sudan (P.N. Mawien, J. Rumunu, B.K. Bior, I.A. Jacob, R.L. Lako, L. Deng)
- Massachusetts General Hospital, Boston, Massachusetts, USA (D. Slater, S. Moheed, V. Sanchez, R. Mills, C. Fraser, R.C. Charles, J.B. Harris)
- International Organization for Migration, Juba (A. Caflisch)
- World Health Organization, Juba (A.G. Guyo, O.O. Olu, S. Maleghemi, A. Baguma, J.J. Hassen, S.K. Baya, J.F. Wamala)
- Kabale University School of Medicine, Kabale, Uganda (A. Baguma)
- Harvard Medical School, Boston (R.C. Charles, J.B. Harris)
- Médecins Sans Frontières, Geneva, Switzerland (A.S. Azman)
- Institute of Global Health, Geneva (A.S. Azman)
| | - Argata Guracha Guyo
- Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA (K.E. Wiens, F.K. Jones, J. Lessler, M.N. Demby, A.S. Azman)
- Republic of South Sudan Ministry of Health, Juba, South Sudan (P.N. Mawien, J. Rumunu, B.K. Bior, I.A. Jacob, R.L. Lako, L. Deng)
- Massachusetts General Hospital, Boston, Massachusetts, USA (D. Slater, S. Moheed, V. Sanchez, R. Mills, C. Fraser, R.C. Charles, J.B. Harris)
- International Organization for Migration, Juba (A. Caflisch)
- World Health Organization, Juba (A.G. Guyo, O.O. Olu, S. Maleghemi, A. Baguma, J.J. Hassen, S.K. Baya, J.F. Wamala)
- Kabale University School of Medicine, Kabale, Uganda (A. Baguma)
- Harvard Medical School, Boston (R.C. Charles, J.B. Harris)
- Médecins Sans Frontières, Geneva, Switzerland (A.S. Azman)
- Institute of Global Health, Geneva (A.S. Azman)
| | - Olushayo Oluseun Olu
- Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA (K.E. Wiens, F.K. Jones, J. Lessler, M.N. Demby, A.S. Azman)
- Republic of South Sudan Ministry of Health, Juba, South Sudan (P.N. Mawien, J. Rumunu, B.K. Bior, I.A. Jacob, R.L. Lako, L. Deng)
- Massachusetts General Hospital, Boston, Massachusetts, USA (D. Slater, S. Moheed, V. Sanchez, R. Mills, C. Fraser, R.C. Charles, J.B. Harris)
- International Organization for Migration, Juba (A. Caflisch)
- World Health Organization, Juba (A.G. Guyo, O.O. Olu, S. Maleghemi, A. Baguma, J.J. Hassen, S.K. Baya, J.F. Wamala)
- Kabale University School of Medicine, Kabale, Uganda (A. Baguma)
- Harvard Medical School, Boston (R.C. Charles, J.B. Harris)
- Médecins Sans Frontières, Geneva, Switzerland (A.S. Azman)
- Institute of Global Health, Geneva (A.S. Azman)
| | - Sylvester Maleghemi
- Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA (K.E. Wiens, F.K. Jones, J. Lessler, M.N. Demby, A.S. Azman)
- Republic of South Sudan Ministry of Health, Juba, South Sudan (P.N. Mawien, J. Rumunu, B.K. Bior, I.A. Jacob, R.L. Lako, L. Deng)
- Massachusetts General Hospital, Boston, Massachusetts, USA (D. Slater, S. Moheed, V. Sanchez, R. Mills, C. Fraser, R.C. Charles, J.B. Harris)
- International Organization for Migration, Juba (A. Caflisch)
- World Health Organization, Juba (A.G. Guyo, O.O. Olu, S. Maleghemi, A. Baguma, J.J. Hassen, S.K. Baya, J.F. Wamala)
- Kabale University School of Medicine, Kabale, Uganda (A. Baguma)
- Harvard Medical School, Boston (R.C. Charles, J.B. Harris)
- Médecins Sans Frontières, Geneva, Switzerland (A.S. Azman)
- Institute of Global Health, Geneva (A.S. Azman)
| | - Andrew Baguma
- Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA (K.E. Wiens, F.K. Jones, J. Lessler, M.N. Demby, A.S. Azman)
- Republic of South Sudan Ministry of Health, Juba, South Sudan (P.N. Mawien, J. Rumunu, B.K. Bior, I.A. Jacob, R.L. Lako, L. Deng)
- Massachusetts General Hospital, Boston, Massachusetts, USA (D. Slater, S. Moheed, V. Sanchez, R. Mills, C. Fraser, R.C. Charles, J.B. Harris)
- International Organization for Migration, Juba (A. Caflisch)
- World Health Organization, Juba (A.G. Guyo, O.O. Olu, S. Maleghemi, A. Baguma, J.J. Hassen, S.K. Baya, J.F. Wamala)
- Kabale University School of Medicine, Kabale, Uganda (A. Baguma)
- Harvard Medical School, Boston (R.C. Charles, J.B. Harris)
- Médecins Sans Frontières, Geneva, Switzerland (A.S. Azman)
- Institute of Global Health, Geneva (A.S. Azman)
| | - Juma John Hassen
- Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA (K.E. Wiens, F.K. Jones, J. Lessler, M.N. Demby, A.S. Azman)
- Republic of South Sudan Ministry of Health, Juba, South Sudan (P.N. Mawien, J. Rumunu, B.K. Bior, I.A. Jacob, R.L. Lako, L. Deng)
- Massachusetts General Hospital, Boston, Massachusetts, USA (D. Slater, S. Moheed, V. Sanchez, R. Mills, C. Fraser, R.C. Charles, J.B. Harris)
- International Organization for Migration, Juba (A. Caflisch)
- World Health Organization, Juba (A.G. Guyo, O.O. Olu, S. Maleghemi, A. Baguma, J.J. Hassen, S.K. Baya, J.F. Wamala)
- Kabale University School of Medicine, Kabale, Uganda (A. Baguma)
- Harvard Medical School, Boston (R.C. Charles, J.B. Harris)
- Médecins Sans Frontières, Geneva, Switzerland (A.S. Azman)
- Institute of Global Health, Geneva (A.S. Azman)
| | - Sheila K. Baya
- Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA (K.E. Wiens, F.K. Jones, J. Lessler, M.N. Demby, A.S. Azman)
- Republic of South Sudan Ministry of Health, Juba, South Sudan (P.N. Mawien, J. Rumunu, B.K. Bior, I.A. Jacob, R.L. Lako, L. Deng)
- Massachusetts General Hospital, Boston, Massachusetts, USA (D. Slater, S. Moheed, V. Sanchez, R. Mills, C. Fraser, R.C. Charles, J.B. Harris)
- International Organization for Migration, Juba (A. Caflisch)
- World Health Organization, Juba (A.G. Guyo, O.O. Olu, S. Maleghemi, A. Baguma, J.J. Hassen, S.K. Baya, J.F. Wamala)
- Kabale University School of Medicine, Kabale, Uganda (A. Baguma)
- Harvard Medical School, Boston (R.C. Charles, J.B. Harris)
- Médecins Sans Frontières, Geneva, Switzerland (A.S. Azman)
- Institute of Global Health, Geneva (A.S. Azman)
| | - Lul Deng
- Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA (K.E. Wiens, F.K. Jones, J. Lessler, M.N. Demby, A.S. Azman)
- Republic of South Sudan Ministry of Health, Juba, South Sudan (P.N. Mawien, J. Rumunu, B.K. Bior, I.A. Jacob, R.L. Lako, L. Deng)
- Massachusetts General Hospital, Boston, Massachusetts, USA (D. Slater, S. Moheed, V. Sanchez, R. Mills, C. Fraser, R.C. Charles, J.B. Harris)
- International Organization for Migration, Juba (A. Caflisch)
- World Health Organization, Juba (A.G. Guyo, O.O. Olu, S. Maleghemi, A. Baguma, J.J. Hassen, S.K. Baya, J.F. Wamala)
- Kabale University School of Medicine, Kabale, Uganda (A. Baguma)
- Harvard Medical School, Boston (R.C. Charles, J.B. Harris)
- Médecins Sans Frontières, Geneva, Switzerland (A.S. Azman)
- Institute of Global Health, Geneva (A.S. Azman)
| | - Justin Lessler
- Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA (K.E. Wiens, F.K. Jones, J. Lessler, M.N. Demby, A.S. Azman)
- Republic of South Sudan Ministry of Health, Juba, South Sudan (P.N. Mawien, J. Rumunu, B.K. Bior, I.A. Jacob, R.L. Lako, L. Deng)
- Massachusetts General Hospital, Boston, Massachusetts, USA (D. Slater, S. Moheed, V. Sanchez, R. Mills, C. Fraser, R.C. Charles, J.B. Harris)
- International Organization for Migration, Juba (A. Caflisch)
- World Health Organization, Juba (A.G. Guyo, O.O. Olu, S. Maleghemi, A. Baguma, J.J. Hassen, S.K. Baya, J.F. Wamala)
- Kabale University School of Medicine, Kabale, Uganda (A. Baguma)
- Harvard Medical School, Boston (R.C. Charles, J.B. Harris)
- Médecins Sans Frontières, Geneva, Switzerland (A.S. Azman)
- Institute of Global Health, Geneva (A.S. Azman)
| | - Maya N. Demby
- Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA (K.E. Wiens, F.K. Jones, J. Lessler, M.N. Demby, A.S. Azman)
- Republic of South Sudan Ministry of Health, Juba, South Sudan (P.N. Mawien, J. Rumunu, B.K. Bior, I.A. Jacob, R.L. Lako, L. Deng)
- Massachusetts General Hospital, Boston, Massachusetts, USA (D. Slater, S. Moheed, V. Sanchez, R. Mills, C. Fraser, R.C. Charles, J.B. Harris)
- International Organization for Migration, Juba (A. Caflisch)
- World Health Organization, Juba (A.G. Guyo, O.O. Olu, S. Maleghemi, A. Baguma, J.J. Hassen, S.K. Baya, J.F. Wamala)
- Kabale University School of Medicine, Kabale, Uganda (A. Baguma)
- Harvard Medical School, Boston (R.C. Charles, J.B. Harris)
- Médecins Sans Frontières, Geneva, Switzerland (A.S. Azman)
- Institute of Global Health, Geneva (A.S. Azman)
| | - Vanessa Sanchez
- Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA (K.E. Wiens, F.K. Jones, J. Lessler, M.N. Demby, A.S. Azman)
- Republic of South Sudan Ministry of Health, Juba, South Sudan (P.N. Mawien, J. Rumunu, B.K. Bior, I.A. Jacob, R.L. Lako, L. Deng)
- Massachusetts General Hospital, Boston, Massachusetts, USA (D. Slater, S. Moheed, V. Sanchez, R. Mills, C. Fraser, R.C. Charles, J.B. Harris)
- International Organization for Migration, Juba (A. Caflisch)
- World Health Organization, Juba (A.G. Guyo, O.O. Olu, S. Maleghemi, A. Baguma, J.J. Hassen, S.K. Baya, J.F. Wamala)
- Kabale University School of Medicine, Kabale, Uganda (A. Baguma)
- Harvard Medical School, Boston (R.C. Charles, J.B. Harris)
- Médecins Sans Frontières, Geneva, Switzerland (A.S. Azman)
- Institute of Global Health, Geneva (A.S. Azman)
| | - Rachel Mills
- Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA (K.E. Wiens, F.K. Jones, J. Lessler, M.N. Demby, A.S. Azman)
- Republic of South Sudan Ministry of Health, Juba, South Sudan (P.N. Mawien, J. Rumunu, B.K. Bior, I.A. Jacob, R.L. Lako, L. Deng)
- Massachusetts General Hospital, Boston, Massachusetts, USA (D. Slater, S. Moheed, V. Sanchez, R. Mills, C. Fraser, R.C. Charles, J.B. Harris)
- International Organization for Migration, Juba (A. Caflisch)
- World Health Organization, Juba (A.G. Guyo, O.O. Olu, S. Maleghemi, A. Baguma, J.J. Hassen, S.K. Baya, J.F. Wamala)
- Kabale University School of Medicine, Kabale, Uganda (A. Baguma)
- Harvard Medical School, Boston (R.C. Charles, J.B. Harris)
- Médecins Sans Frontières, Geneva, Switzerland (A.S. Azman)
- Institute of Global Health, Geneva (A.S. Azman)
| | - Clare Fraser
- Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA (K.E. Wiens, F.K. Jones, J. Lessler, M.N. Demby, A.S. Azman)
- Republic of South Sudan Ministry of Health, Juba, South Sudan (P.N. Mawien, J. Rumunu, B.K. Bior, I.A. Jacob, R.L. Lako, L. Deng)
- Massachusetts General Hospital, Boston, Massachusetts, USA (D. Slater, S. Moheed, V. Sanchez, R. Mills, C. Fraser, R.C. Charles, J.B. Harris)
- International Organization for Migration, Juba (A. Caflisch)
- World Health Organization, Juba (A.G. Guyo, O.O. Olu, S. Maleghemi, A. Baguma, J.J. Hassen, S.K. Baya, J.F. Wamala)
- Kabale University School of Medicine, Kabale, Uganda (A. Baguma)
- Harvard Medical School, Boston (R.C. Charles, J.B. Harris)
- Médecins Sans Frontières, Geneva, Switzerland (A.S. Azman)
- Institute of Global Health, Geneva (A.S. Azman)
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