Targeted application of an organophosphate-based paint applied on windows and doors against Anopheles coluzzii resistant to pyrethroids under real life conditions in Vallée du Kou, Burkina Faso (West Africa)

Table 2 Residual efficacy tests

% Mortality using WHO test cones ± CI 99%	Anopheles gambiae Kisumu (A)					Anopheles coluzzii VK3 (B)
% Mortality using WHO test cones ± CI 99%	T0	T1	T2	T3	T4	T0	T1	T2	T3	T4
Control (LLINs and/or other methods such as coils)	5 ± 2.4^a	5 ± 2.4^a	3 ± 1.9^a	10 ± 3.3^a	7 ± 2.8^a	8 ± 3.1^a	7 ± 2.8^a	2 ± 1.5^a	2 ± 1.5^a	ND
IP/1 layer on doors + new LLINs	100^b	100^b	100^b	85 ± 4.1^b	78.5 ± 4.6^b	100^b	100^b	90 ± 3.3^b	39 ± 5.5^b	ND
IP/1 layer on windows + new LLINs	100^b	100^b	100^b	95 ± 3.1^b	82 ± 5.3^b	100^b	100^b	90 ± 4.1^b	53 ± 6.9^b	ND

Averages taken for each configuration, 10 houses per configuration
IP Insecticide Paint; LLINs long-lasting insecticide-treated nets; T time in months since treatment; ND not done because of insufficient numbers reared in the insectarium. Numbers in the same column sharing a letter superscript do not differ significantly (P > 0.05)

ISSN: 1475-2875