Table 2 Efficacy of alphacypermethrin and chlorfenapyr mixture in insecticide treated nets

Mosquito strain & (location)

An. gambiae (s.s.) (Côte d’Ivoire)

An. gambiae (s.l.) (Burkina Faso)

An. gambiae (s.l.) (Benin)

An. gambiae (s.l.) (Benin)

An. arabiensis (Tanzania)

Pyrethroid resistance intensity (folds)

450.2 (for Alpha). Over 1700 (for deltamethrin)

Over 1000

207 (for Alpha)

207

Insecticide

Alpha (mg/m²)

200 on Interceptor®

200 on Interceptor®

200 on Interceptor®

25

25

CFP (mg/m²)

200

200

200

200

100

Alpha + CFP (mg/m²)

100 + 200 on Interceptor® G2

100 + 200 on Interceptor® G2

100 + 200 on Interceptor® G2

25 + 100

25 + 200

25 + 100

Mortality at 72 h^# (%)

Alpha

Unwashed

10^a

17

20

30

50^f

Washed 20 times

11^a

10

13

nd

nd

CFP

92^b

86^d

76

69^e

48^f

Alpha + CFP

Unwashed

87^b,c

78^d

71

75^e

77^e

58^f

Washed 20 times

82^c

76^d

65

nd

nd

nd

Blood-feeding inhibition^## (%)

Alpha

Unwashed

ns

26^a,b,c

57^d

22^f

52^g

Washed 20 times

ns

15^a

47^e

nd

nd

CFP

54

21^a,c

43^e

ns

72^g

Alpha + CFP

Unwashed

43

42^b

60^d

51

35^f

76^g

Washed 20 times

34

32^b,c

50^d,e

nd

nd

nd

Personal protection^### (%)

Alpha

Unwashed

57^a,c

24^d

62.5^e

39

nd

Washed 20 times

47^c

14^d

22^f

nd

nd

CFP

76^b

22^d

36.7^g

23

nd

Alpha + CFP

Unwashed

71^a,b

44^d

59.2^e

62

58

nd

Washed 20 times

60^a

34^d

34.4^f,g

nd

nd

nd