Table 1. Attack rates by age and sex during a cutaneous anthrax outbreak, (N = 68).

Sex	Frequency	Total Population (For the sub-counties)	Attack Rate/10,000
Male	66	26496	24.9
Female	2	28,704	0.7
Age group (years)		(For the sub-counties)
<10	5	18,719	2.7
10–19	7	14,583	4.8
20–29	12	8,992	13.4
30–39	22	5,488	40.1
40–49	13	3,561	36.5
50+	9	3,857	23.3

The overall attack rate was 12.3/10,000 population across the two sub-counties. Rigbo sub-county was more affected (AR = 21.9/10,000) than Rhino Camp sub-county (AR = 1.9/10,000) p<0.0001(S4 Fig).