Invasive Mosquito Linked to New Malaria Outbreaks in Africa

Ethiopian scientist Fitsum Tadesse has presented research that suggests a malaria outbreak in the city of Dire Dawa was strongly linked to the invasive Anopheles stephensi mosquito species, causing a large malaria outbreak in Ethiopia. The number of cases reported in the city jumped from 205 in 2019 to 2,400 in the first five months of 2022, largely in the dry season. This species is typically found around India and Iran. But in 2012, it was spotted in Djibouti and has now also been found in neighbouring Ethiopia, Sudan, and Somalia, as well as Nigeria.

According to Thomas Churcher, a professor of infectious disease dynamics at Imperial College London -who was not connected to the research - the species could further spread malaria in Africa. In 2020, 95% of the world's 627,000 malaria deaths were in Africa.

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