The U.S. confirms its 1st human case of New World screwworm. What is it?
- Posted on August 25, 2025
- By NPR
- 5 Views
The U.S. confirms its 1st human case of New World screwworm. What is it?
U.S. officials confirmed a case of the flesh-eating parasite in a person who traveled from El Salvador. Screwworm typically affects cattle in South America, but has spread north in recent years.
