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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
medicine
National surveillance data on the epidemiology of cholera in Kenya, 1997-2010
Journal of Infectious Diseases, Volume 208, No. SUPPL. 1, Year 2013
Notification
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Description
Background. Kenya has experienced multiple cholera outbreaks since 1971. Cholera remains an issue of major public health importance and one of the 35 priority diseases under Kenya's updated Integrated Disease Surveillance and Response strategy.Methods. We reviewed the cholera surveillance data reported to the World Health Organization and the Kenya Ministry of Public Health and Sanitation from 1997 through 2010 to determine trends in cholera disease for the 14-year period.Results. A total of 68 522 clinically suspected cases of cholera and 2641 deaths were reported (overall case-fatality rate [CFR], 3.9%), affecting all regions of the country. Kenya's largest outbreak occurred during 1997-1999, resulting in 26 901 cases and 1362 deaths (CFR, 5.1%). Following a decline in disease occurrence, the country experienced a resurgence of epidemic cholera during 2007-2009 (16 616 cases and 454 deaths; CFR, 2.7%), which declined rapidly to 0 cases. Cases were reported through July 2010, with no cases reported during the second half of the year. About 42% of cases occurred in children aged <15 years. Vibrio cholerae O1, serotype Inaba, was the predominant strain recorded from 2007 through 2010, although serotype Ogawa was also isolated. Recurrent outbreaks have most frequently affected Nairobi, Nyanza, and Coast provinces, as well as remote arid and semiarid regions and refugee camps.Discussion. Kenya has experienced substantial amounts of reported cases of cholera during the past 14 years. Recent decreases in cholera case counts may reflect cholera control measures put in place by the National Ministry of Health; confirmation of this theory will require ongoing surveillance. © 2013 The Author.
Authors & Co-Authors
Mutonga, David M.
United States
Division of Disease Surveillance and Response
Langat, Daniel
United States
Division of Disease Surveillance and Response
Mwangi, David
United States
Division of Disease Surveillance and Response
Tonui, Julia
United States
National Public Health Laboratory Services
Njeru, Mercy Karimi
United States
National Public Health Laboratory Services
Abade, Ahmed Mohammed
Kenya, Kisumu
Centers for Disease Control and Prevention, Kenya
Irura, Z.
United States
Division of Disease Surveillance and Response
Njeru, Ian J.
United States
Division of Disease Surveillance and Response
Dahlke, Melissa A.
Uganda, Kampala
African Field Epidemiology Network
Statistics
Citations: 41
Authors: 9
Affiliations: 4
Identifiers
Doi:
10.1093/infdis/jit201
ISSN:
00221899
Research Areas
Environmental
Infectious Diseases
Maternal And Child Health
Study Locations
Kenya