Skip to main content

Table 4 Bioefficacy of Olyset® Plus and Olyset® Net against Anopheles. gambiae Kisumu in cone and tunnel tests

From: Bioefficacy and durability of Olyset® Plus, a permethrin and piperonyl butoxide-treated insecticidal net in a 3-year long trial in Kenya

Survey month

No. of nets tested

Mean 1 h KD (%)

Mean 24 h mortality (%)

% of nets passed by KD criteria alonea

% of nets passed by mortality criteria aloneb

No. of nets requiring tunnel test

Overall pass rate in percentage (95% CI)c

Olyset® Plus

 0

30

99.5

100

100

100

0

100 (80–100)

 6

30

97.0

88.2

83.3

73.3

4

96.7 (82–99)

 12

30

94.2

74.3

76.7

43.3

6

93.3 (78–99)

 18

30

82.9

65.9

36.7

36.7

16

86.7 (69–96)

 24

30

77.4

75.3

0.0

46.7

15

76.7 (57–90)

 30

30

60.4

56.9

0.0

10.0

27

70.0 (50–85)

 36

50

66.4

51.5

2.0

8.0

24

42.0 (28–56)

Olyset® Net

 0

30

99.1

100

100

100

0

100 (88–100)

 6

30

96.9

79.8

80.0

60.0

4

93.3 (77–99)

 12

30

68.5

54.7

20.0

3.3

24

83.3 (65–94)

 18

30

72.1

50.2

30.0

20.0

18

73.3 (54–87)

 24

30

79.8

68.9

3.3

46.7

18

66.7 (47–83)

 30

30

50.9

50.9

0.0

3.3

29

60.0 (40–77)

 36

50

66.3

51.9

0.0

8.0

26

36.0 (23–50)

  1. aKD, knockdown ≥ 95%; bmortality ≥ 80%; ctaking into account the KD and mortality rates in cone bioassays, and blood-feeding inhibition and mortality rates in tunnel tests