Add Yahoo as a preferred source to see more of our stories on Google. A flesh‑eating fly thought eradicated decades ago has been found in Texas, its first return to the United States in generations.

Federal agricultural inspectors detected a case of New World screwworm larvae — maggots that burrow into the flesh of living animals and sometimes humans — on a 3-week-old calf in south Texas, ...

The New World screwworm is a flesh-eating parasite that infests open wounds on live animals and humans. While eradicated in the U.S. decades ago, the parasite is spreading north through Central ...

Add Yahoo as a preferred source to see more of our stories on Google. The Trump administration has issued a warning about a fast-moving outbreak of New World screwworm (NWS), a parasitic fly whose ...

Cattle grazing on a ranch in Mexico. Representative image; the animals are not known to be affected by New World screwworm. Photo by Brunxs via Pexels. The word “maggot” usually evokes decay. Many ...