Table 1. Percent positive for Rift Valley fever virus by sub-county of residence.

Sub-county of residence		IgM		IgG
	N	no. positive	% positive	no. positive	% positive
Isiolo County
Isiolo North	240	5	2.1	118	49.2
Isiolo South	206	2	1.0	55	26.7
Garissa County
Ijara	104	2	1.9	44	42.3
Fafi	316	6	1.9	104	32.9
Lamu East	167	1	0.6	63	37.7
Lamu West	77	0	0.0	26	33.8
Tana River County
Garsen	100	1	1.0	31	31
Overall Prevalence	1210	17	1.4	441	36.4

N = total number of individuals sampled; no. = number