The New World screwworm, a flesh-eating parasite, reappeared in Maryland infecting a traveler, posing serious threat to humans and livestock and raising reporting concerns.
What you need to know about the flesh-eating screwworm in the U.S.
Human New World screwworm confirmed in Maryland after Guatemala travel, signaling reintroduction risk that threatens human health and could devastate U.S. cattle industry economically.
