Table 1. Chikungunya.

Poolscreen estimates for the minimum infection rate for CHIKV [16]. Kisumu and Ukunda represent the urban sites for the West and Coast, respectively. Rural collection sites were located in Chulaimbo and Msambweni for the West and Coast, respectively.

Sites	No. Pools	No. positive pools	Estimated infection rate (95% CI)
All	714	43	0.49% (0.34–0.68%)
West	321	17	0.33% (0.18–0.54%)
West rural	180	9	0.28% (0.12–0.53%)
West urban	123	8	0.42% (0.17–0.84%)
Coast	411	25	0.70% (0.43–1.10%)
Coast rural	178	13	0.85% (0.43–1.50%)
Coast urban	233	12	0.58% (0.28–1.00%)
All rural	369	22	0.46% (0.27–0.71%)
All urban	347	20	0.51% (0.29–0.81%)