What if a vaccine could prevent mosquitoes getting malaria from humans?
Malaria spreads with dizzying efficiency. In infectious disease theory, the R0 describes how many people someone with a disease will infect: more than one and the disease will spread, fewer than one and it will die out. The R0 of the Ebola virus during the 2015 outbreak in West Africa was estimated to be between two and three. Estimates for the R0 of malaria in Africa vary from fewer than one to more than 3000.
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