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Volume 18, Number 6—June 2012

Research

Molecular Epidemiology of Geographically Dispersed Vibrio cholerae, Kenya, January 2009–May 2010

Ahmed Abade Mohamed, Joseph Oundo, Samuel M. Kariuki, Hamadi I. Boga, Shanaz K. Sharif, Willis Akhwale, Jared Omolo, Anyangu S. Amwayi, David Mutonga, David Kareko, Mercy Njeru, Shan Li, Robert F. Breiman, and O. Colin StineComments to Author 
Author affiliations: Field Epidemiology and Laboratory Training Program, Nairobi, Kenya (A.A. Mohamed, J. Oundo, J. Omolo, A.S. Amwayi); Ministry of Public Health and Sanitation, Nairobi (A.A. Mohamed, S.K. Sharif, W. Akhwale, J. Omolo, A.S. Amwayi, D. Mutonga, M. Njeru); Centers for Disease Control and Prevention, Nairobi (J. Oundo, R.F. Breiman); Kenya Medical Research Institute, Nairobi (J. Oundo, S.M. Kariuki); Jomo Kenyatta University of Agriculture and Technology, Nairobi (H.I. Boga, D. Kareko); University of Maryland School of Medicine, Baltimore, Maryland, USA (S. Li, O.C. Stine)

Main Article

Table 1

Cholera attack rate and CFR by geographic/climatic region, Kenya, January 2009–May 2010*

Region No. cases Mean age ± SD, y (range) Attack rate, %† No. deaths (CFR, %)
Coastal 1,484 21 ± 18 (1–70) 0.07 10 (0.7)
Highland 1,139 28 ± 18 (1–75) 0.02 46 (4.0)
Arid and semi-arid 4,210 25 ± 19 (1–70) 0.20 146 (3.5)
Lake 1,019 25 ± 17 (1–76) 0.02 23 (2.3)
Lower eastern 2,645 25 ± 18 (1–67) 0.12 21 (2.3)
Total 10,497 23 ± 18 (1–76) 0.07 246 (2.3)

*CFR, case-fatality rate.
†Denominator was based on population as provided by the National Bureau of Statistics (Kenya 2009 Population and Housing Census Highlights, www.knbs.or.ke/Census%20Results/KNBS%20Brochure.pdf).

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