Malaria cases in Florida and Texas are first locally acquired infections in U.S. in 20 years, CDC warns

The Centers for Disease Control and Prevention on Monday warned of the return of locally acquired cases of malaria, meaning the infections were not linked to foreign travel and appear to have been transmitted by mosquitoes in the U.S. carrying the parasite.

So far, there have been four locally acquired cases of malaria in Florida and one in Texas within the last two months. There's no evidence suggesting the cases in the two states are connected.