Cholera outbreak during a scientific conference at a Nairobi hotel, Kenya 2017.

Autor:	Mwenda V; Field Epidemiology and Laboratory Training Programme, Ministry of Health, Nairobi, Kenya., Niyomwungere A; Field Epidemiology and Laboratory Training Programme, Ministry of Health, Nairobi, Kenya.; Disease Surveillance and Response Unit, Ministry of Health, Nairobi, Kenya., Oyugi E; Field Epidemiology and Laboratory Training Programme, Ministry of Health, Nairobi, Kenya., Githuku J; Field Epidemiology and Laboratory Training Programme, Ministry of Health, Nairobi, Kenya., Obonyo M; Field Epidemiology and Laboratory Training Programme, Ministry of Health, Nairobi, Kenya., Gura Z; Field Epidemiology and Laboratory Training Programme, Ministry of Health, Nairobi, Kenya.
Jazyk:	angličtina
Zdroj:	Journal of public health (Oxford, England) [J Public Health (Oxf)] 2021 Jun 07; Vol. 43 (2), pp. e140-e144.
DOI:	10.1093/pubmed/fdz078
Abstrakt:	Background: Cholera globally affects 1.3-4.0 million people and causes 21 000-143 000 deaths annually. In June 2017, a cluster of diarrhoeal illness occurred among participants of an international scientific conference at a hotel in Nairobi, Kenya. Culture confirmed Vibrio cholerae, serotype Ogawa. We investigated to assess magnitude, identify likely exposures and suggest control measures. Methods: We carried out a retrospective cohort study utilizing a structured questionnaire administered by telephone, email and internet-based survey. We calculated food-specific attack rates, risk ratios and in a nested-case control analysis, performed logistic regression to identify exposures independently associated with the outbreak. Results: We interviewed 249 out of 456 conference attendees (response rate=54.6%). Mean age of respondents was 37.8 years, ±8.3 years, 131 (52.6%) were male. Of all the respondents, 137 (55.0%) were cases. Median incubation time was 35 (11-59) hours. Eating chicken (adjusted OR 2.49, 95% CI, 1.22-5.06) and having eaten lunch on Tuesday (adjusted OR 2.34, 95% CI 1.09-5.05) were independently associated with illness; drinking soda was protective (adjusted OR 0.17, 95% CI 0.07-0.42). Conclusion: Point source outbreak, associated with chicken eaten at lunch on Tuesday 20th June 2017 occurred. We recommend better collaboration between the food and health sectors in food-borne outbreak investigations. (© The Author(s) 2019. Published by Oxford University Press on behalf of Faculty of Public Health. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.)
Databáze:	MEDLINE
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