World Malaria Day is an occasion to highlight the need for continued investment and sustained political commitment for malaria prevention and control. This year’s global theme for World Malaria Day is End Malaria for Good. In the lead-up to 25 April, WHO is shining a spotlight on prevention, a critical strategy for reducing the toll of a disease that continues to kill more than 400,000 people annually.

Since 2000, malaria prevention has played an important role in reducing cases and deaths, primarily through the scale up of insecticide-treated nets and indoor spraying with insecticides. Malaria is the most important parasitic infection in humans and is the tropical disease with approximately 75% of cases are caused by Plasmodium falciparum and there is an average of 5–15 deaths a year (mortality rate approximately 0.5–1.0%). Immigrants and second- and third-generation relatives…