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Table 5 Susceptibility status at Miwani site

From: Outdoor biting and pyrethroid resistance as potential drivers of persistent malaria transmission in Zanzibar

Insecticide class

Insecticide name

Knockdown (%) 60 min

Mortality (%) 24 h

Susceptibility status

Pyrethroid

Deltamethrin (0.05%)

99

73

Confirmed resistance

Permethrin (0.75%)

14

21

Confirmed resistance

Lambda-cyhalothrin (0.05%)

93

82

Confirmed resistance

Alpha-cypermethrin (0.05%)

95

97

Possible resistance

Carbamates

Bendiocarb (0.1%)

100

100

Susceptible

Organophosphates

Pirimiphos-methyl (0.25%)

84

100

Susceptible

Malathion (5%)

100

100

Susceptible

Fenitrithion (1%)

68

100

Susceptible

Organochlorine

Dieldrin (4%)

92

100

Susceptible

DDT (4%)

100

100

Susceptible