Combining organophosphate-treated wall linings and long-lasting insecticidal nets fails to provide additional control over long-lasting insecticidal nets alone against multiple insecticide-resistant Anopheles gambiae in Côte d’Ivoire: an experimental hut trial

Table 4 Comparative kdr and ace-1 ^R allele frequencies in live and dead Anopheles gambiae collected from experimental huts in Tiassalé

		*kdr* allele frequency (n)		*ace-1*^Rallele frequency (n)
Treatments		Live	Dead	Live	Dead
First trial (single intervention)
1	Pyrethroid WL	0.87 (75)	0.89 (38)	--	--
2	P-methyl WL (walls only)	0.81 (16)	0.83 (32)	0.44 (25)	0.38 (73)
3	P-methyl NWH (walls only)	0.81 (16)	0.88 (16)	0.45 (33)	0.43 (34)
4	P-methyl WL (walls and ceiling)	0.91 (16)	0.89 (22)	0.46 (24)	0.33 (32)
5	P-methyl NWH (walls and ceiling)	0.75 (12)	0.83 (20)	0.52 (25)	0.44 (45)
Second trial (combined intervention)
1	Control (untreated net)	0.91 (76)	0.91 (16)	0.48 (77)	0.40 (15)
2	LLIN	0.88 (41)	0.86 (62)	--	--
3	P-methyl WL	0.88 (24)	0.79 (24)	0.52 (24)	0.50 (24)
4	P-methyl NWH	0.79 (24)	0.83 (20)	0.48 (24)	0.45 (21)
5	P-methyl WL + LLIN	0.95 (11)	0.89 (41)	0.50 (11)	0.43 (42)
6	P-methyl NWH + LLIN	0.84 (19)	0.81 (18)	0.55 (19)	0.39 (18)

ISSN: 1475-2875