In DepthInfectious Disease

Malaria fighters' latest chemical weapon may not last long

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Science  04 Sep 2020:
Vol. 369, Issue 6508, pp. 1153
DOI: 10.1126/science.369.6508.1153

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Summary

Two years ago, the World Health Organization (WHO) gave the green light for clothianidin, long used to kill crop pests, to be added to the current mainstays of indoor mosquito control, which are losing their effectiveness as the insects develop resistance. Since then, many African countries have been laying plans to spray the walls of homes with the pesticide—it would represent the first new class of chemicals adopted for such use in decades—and looking anxiously for evidence of pre-existing resistance. Scientists in Cameroon have now found mosquitoes already resistant clothianidin, stirring fears its usefulness may be short-lived.

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