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).