New mosquito spreading disease in Africa
Genetic analyses have revealed that the Anopheles stephensi mosquito in Africa is resistant to all currently used chemical control agents, which hampers the effectiveness of insecticides. This mosquito, which has appeared in Djibouti and Ethiopia, is highly efficient at rapidly spreading across open areas and thrives in both urban and rural settings; it is unaffected by dry seasons. This adaptation threatens to significantly increase malaria cases, which rose from 27 in Djibouti before 2013 to over 70,000 in 2020, with a continued rise in recent years. Experts predict that its rapid spread could lead to a prolonged resurgence of the problem, especially given the current weaknesses in mosquito control programs, thereby deepening the risk of malaria outbreaks in major cities like Lagos and Kinshasa.
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