The U.S. confirms its first human case of New World screwworm. What is it?
The United States confirmed its first travel-associated human case of New World screwworm in a traveler from El Salvador, raising livestock surveillance concerns.
Flesh-eating screwworm case detected in person in U.S. for first time in years
New World screwworm flies cause myiasis in livestock and sometimes humans; U.S. agencies are sterilizing and breeding flies and restricting animal imports to prevent outbreaks.
