A protracted cholera outbreak among residents in an urban setting, Nairobi county, Kenya, 2015
In: The Pan African medical journal, Jg. 36 (2019-07-18)
Online
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Introduction:in 2015, a cholera outbreak was confirmed in Nairobi county, Kenya, which we investigated to identify risk factors for infection and recommend control measures. Methods:we analyzed national cholera surveillance data to describe epidemiological patterns and carried out a case-control study to find reasons for the Nairobi county outbreak. Suspected cholera cases were Nairobi residents aged >2 years with acute watery diarrhea (>4 stools/≤12 hours) and illness onset 1-14 May 2015. Confirmed cases hadVibrio choleraeisolated from stool. Case-patients were frequency-matched to persons without diarrhea (1:2 by age group, residence), interviewed using standardized questionaires. Logistic regression identified factors associated with case status. Household water was analyzed for fecal coliforms andEscherichia coli. Results:during December 2014-June 2015, 4,218 cholera cases including 282 (6.7%) confirmed cases and 79 deaths (case-fatality rate [CFR] 1.9%) were reported from 14 of 47 Kenyan counties. Nairobi county reported 781 (19.0 %) cases (attack rate, 18/100,000 persons), including 607 (78%) hospitalisations, 20 deaths (CFR 2.6%) and 55 laboratory-confirmed cases (7.0%). Seven (70%) of 10 water samples from communal water points had coliforms; one hadEscherichia coli. Factors associated with cholera in Nairobi were drinking untreated water (adjusted odds ratio [aOR] 6.5, 95% confidence interval [CI] 2.3-18.8), lacking health education (aOR 2.4, CI 1.1-7.9) and eating food outside home (aOR 2.4, 95% CI 1.2-5.7). Conclusion:we recommend safe water, health education, avoiding eating foods prepared outside home and improved sanitation in Nairobi county. Adherence to these practices could have prevented this protacted cholera outbreak.
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A protracted cholera outbreak among residents in an urban setting, Nairobi county, Kenya, 2015
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Autor/in / Beteiligte Person: | Boru, Waqo ; Obonyo, Mark ; Githuku, Jane ; Hudson Taabukk Kigen ; Githuka, George ; Mulembani, Robert ; Kioko, Jackson ; Muli, Raphael ; Nsubuga, Peter ; Njeru, Ian ; Langat, Daniel ; Gura, Zeinab ; Lowther, Sara A. ; Galgalo, Tura ; Rotich, Jacob ; Abdi, Isack |
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Zeitschrift: | The Pan African medical journal, Jg. 36 (2019-07-18) |
Veröffentlichung: | 2019 |
Medientyp: | unknown |
ISSN: | 1937-8688 (print) |
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