Malaria

Reviewed: July 2023

Malaria is a serious and sometimes fatal disease caused by the bite of a mosquito infected with one of four malaria blood parasites. Infected female mosquitoes are responsible for the spread of human disease. In the United States, most infections are a result of travel to foreign countries though local transmission has occurred, particularly in states such as Florida and Texas. In New York State, nearly all cases of malaria are associated with foreign travel however rare instances of local transmission of malaria have occurred in Long Island and New York City.

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