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.
To stop a flesh-eating cattle parasite in Mexico from crossing the border, the U.S. will build a $750 million factory that breeds sterile flies
The U.S. plans to build a $750 million factory to breed billions of sterile flies to combat the New World screwworm flies that threaten the cattle industry.