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Table 1.

Resistance status of Anopheles gambiae s.l. from M’Bé to the two insecticides present in the Interceptor® G2 LN (i.e. alpha-cypermethrin and chlorfenapyr).

Insecticide Strain Slope (SE) LC50 mg/L (95% CI) LC95 mg/L (95% CI) Resistance ratio at the LC50 (95% CI)
Kisumu 1.209 (0.2516) 0.054 (0.012–0.144) 1.235 (0.4195–10.348)
Alphacypermethrin M’Bé 1.592 (0.1183) 24.258 (19.163–29.882) 261.762 (195.608–377.923) 450.2 (278.8–726.7)
Kisumu 0.965 (0.220) 0.0002 (0.0001–0.0006) 0.011 (0.006–0.043)
Chlorfenapyr M’Bé 0.683 (0.126) 0.0007 (0.0001–0.001) 0.195 (0.067–1.510) 3.4 (2.6–4.4)

LC50 = the dose required to kill 50% of the mosquitoes exposed to the insecticide, LC95 = the dose required to kill 95% of the mosquitoes exposed to the insecticide

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