Table 2.

Infection rate for P. falciparum calculated by circumsporozoite protein (CSP) ELISA from the head and thoraxes of An. arabiensis, An. gambiae M and S forms in Dielmo

Month	An. arabiensis		An. gambiae M Form		An. gambiae S Form
	Tested	Positive	Tested	Positive	Tested	Positive
July	27	2	4	1	49	1
August	56	1	61	2	211	5
September	49	0	225	4	91	5
October	12	1	22	3	34	2
November	13	1	2	0	14	1
December	20	0	1	0	6	0
CSP rates [95% cl]	2.82% [0.9–6.5]		3.17% [1.5–5.8]		3.45% [1.9–5.7]