Factors Associated with the Rapid and Durable Decline in Malaria Incidence in El Salvador, 1980-2017.

A decade after the Global Malaria Eradication Program, El Salvador had the highest burden of malaria in Mesoamerica, with approximately 20% due to . A resurgence of malaria in the 1970s led El Salvador to alter its national malaria control strategy. By 1995, El Salvador recorded its last autochthonous case with fewer than 20 cases annually since 2011.