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 Stine
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).
