Worldwide, new malaria cases fell by 21 percent in a recent five-year period, thanks in large part to more communities using insecticide-treated nets and spraying indoors to kill the mosquitoes that cause malaria.Read more

Worldwide, new malaria cases fell by 21 percent in a recent five-year period, thanks in large part to more communities using insecticide-treated nets and spraying indoors to kill the mosquitoes that cause malaria.Read more