Change in composition of the Anopheles gambiae complex and its possible implications for the transmission of malaria and lymphatic filariasis in north-eastern Tanzania

Table 1 PCR testing of mosquitoes for An. gambiae complex sibling species, P. falciparum infection and W. bancrofti infection

Study	Collection period	No. mosquitoes tested	Type of PCR test	No. mosquitoes positive in PCR test
				*An. gambiae* s.s.	*An. arabiensis*	*An. merus*	Total identified	Not identified
A	June 2011	591	An. gambiae s.l.	7	449	129	585	6
			P. falciparum	0	2	0	2	0
			W. bancrofti	0	10	3	13	0
B1	Jan 2005 – Dec 2006	166	An. gambiae s.l.	58	62	28	148	18
			P. falciparum	0	0	0	0	0
			W. bancrofti	5	3	3	11	3
B2	Jan 2007 – Apr	115	An. gambiae s.l.	3	83	14	100	15
	2011		P. faciparum	0	0	0	0	0
			W. bancrofti	0	6	0	6	1

Study A: freshly collected mosquitoes from Kwale, Vyeru and Tawalani; Study B: archived mosquitoes from Kirare.

ISSN: 1475-2875