<P> In the United States, the National Malaria Eradication Program (NMEP) was launched on 1 July 1947 . This federal program--with state and local participation--had succeeded in eradicating malaria in the United States by 1951 . </P> <P> Prior to the establishment of the NMEP, malaria had been endemic across much of the United States . By the 1930s, it had become concentrated in 13 southeastern states . (For example, in the Tennessee River Valley it had a prevalence of about 30% in 1933 .) </P>

When was malaria eradicated from the united states