U.S. officials confirmed a case of the flesh-eating parasite in a person who traveled from El Salvador. Screwworm typically ...

A person who traveled to El Salvador has been diagnosed with New World screwworm — the first reported U.S. case tied to ...

While the risk of human infection in the U.S. is low, the risk to livestock is high, posing a possible threat to the nation's food supply.

Health officials confirm that a Maryland resident was diagnosed with New World screwworm earlier this month after traveling ...