Table 5. Human biting rate (HBR, bites/person/month), sporozoite index (SI, positive/1000) and entomological inoculation rate (EIR, infective bites/person/month) for primary malaria vectors ( Anopheles minimus, An. maculatu s and An. dirus) by study village according to period before and after mass drug administration (MDA) intervention.

		Before MDA ‡			After MDA			All follow-up
		n/N	index	95%CI	n/N	index	95%CI	n/N	index	95%CI
A1-KNH	Human.nights	200			850			1050
	HBR	1615/6.67 *	242	[231-254]	7803/28.33 *	275	[269-282]	9418/35.00 *	269	[264-275]
	Pf-SI	3/1574 †	1.9	[0.4-5.6]	1/7307 †	0.1	[0.004-0.8]	4/8881 †	0.5	[0.1-1.2]
	Pf-EIR		0.46	[0.01-1.36]		0.04	[0.001-0.21]		0.12	[0.03-0.31]
A2-TOT	Human.nights	150			900			1050
	HBR	1776/5.00 *	355	[339-372]	22438/30.00 *	748	[738-758]	24214/35.00 *	692	[683-701]
	Pf-SI	3/1729 †	1.7	[0.4-5.1]	3/20742 †	0.1	[0.03-0.4]	6/22471 †	0.3	[0.1-0.6]
	Pf-EIR		0.61	[0.13-1.88]		0.10	[0.02-0.30]		0.17	[0.07-0.39]
B1-TPN	Human.nights	600			400			1000
	HBR	4500/20.00 *	225	[218-232]	1419/13.33 *	106	[101-112]	5919/33.33 *	178	[173-182]
	Pf-SI	2/4265 †	0.5	[0.1-1.7]	1/1271 †	0.8	[0.02-4.4]	3/5536 †	0.5	[0.1-0.6]
	Pf-EIR		0.12	[0.01-0.38]		0.08	[0.002-0.46]		0.11	[0.02-0.28]
B2-HKT	Human.nights	670			350			1020
	HBR	6771/22.33 *	302	[296-310]	3870/11.67 *	332	[321-342]	10641/34.00 *	312	[307-319]
	Pf-SI	5/6632 †	0.8	[0.2-1.8]	0/3809 †	0	[0-1]	5/10441 †	0.5	[0.2-1.1]
	Pf-EIR		0.21	[0.07-0.54]		0	[0-0.36]		0.14	[0.05-0.36]
4 villages	Human.nights	1620			2500			4120
	HBR	14662/54.00 *	272	[267-276]	35530/83.33 *	426	[422-431]	50192/137.33 *	365	[362-369]
	Pf-SI	13/14200 †	0.9	[0.5-1.6]	5/33129 †	0.2	[0.05-0.4]	18/47329 †	0.4	[0.2-0.6]
	Pf-EIR		0.25	[0.13-0.43]		0.06	[0.02-0.15]		0.14	[0.08-0.22]

‡ 1 to 2 surveys conducted during MDA intervention are included for each village

* n captured/N person.time exposed (human.months)

† n positive/N tested