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Volume 29, Number 9—September 2023
Dispatch

Seroprevalence of Vibrio cholerae in Adults, Haiti, 2017

Wilfredo R. MatiasComments to Author , Yodeline Guillaume, Gertrude Cene Augustin, Kenia Vissieres, Ralph Ternier, Richelle C. Charles, Jason B. Harris, Molly F. Franke, and Louise C. Ivers
Author affiliations: Brigham and Women’s Hospital Division of Infectious Diseases, Boston, Massachusetts, USA (W.R. Matias); Massachusetts General Hospital Center for Global Health, Boston (W.R. Matias, Y. Guillaume); Massachusetts General Hospital Division of Infectious Diseases, Boston (W.R. Matias, R.C. Charles, J.B. Harris, L.C. Ivers); Zanmi Lasante, Croix-des-Bouquets, Haiti (G. Cene Augustin, K. Vissieres, R. Ternier); Harvard Medical School, Boston (R.C. Charles, J.B. Harris, M.F. Franke, L.C. Ivers); Harvard School of Public Health, Boston (R.C. Charles); Harvard Global Health Institute, Cambridge, Massachusetts, USA (L.C. Ivers)

Main Article

Table 2

Weighted seroprevalence based on vibriocidal antibody titers in Vibrio cholerae serosurvey participants in 2 communities, Centre Department, Haiti, March–August 2017*

Strain Cerca-la-Source
 Mirebalais
No. tested No. positive % Seroprevalence (95% CI) No. tested No. positive % Seroprevalence (95% CI)
Either Ogawa or Inaba 156 16 12.4 (6.76–20.0) 121 12 9.54 (4.91–16.0)
Ogawa only 156 14 9.73 (5.38–16.0) 121 11 8.75 (4.28–15.0)
Inaba only 156 2 2.69 (0.49–8.00) 121 3 2.73 (0.57–7.00)

*Based on a vibriocidal antibody assay positivity threshold titer of 320. Weights were computed as the inverse probability of selection and adjusted so that the marginal distribution of age group, sex, and communal section agreed with those from census estimates.

Main Article

Page created: August 01, 2023
Page updated: August 20, 2023
Page reviewed: August 20, 2023
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