Screwworm Returns to U.S. Southwest: What Pet Owners Need to Know
Screwworm, a flesh-eating parasitic fly, has reappeared in the U.S. Southwest for the first time since the 1970s. The pest, which lays eggs in wounds of warm-blooded animals, threatens livestock, wildlife and household pets. Early detection and veterinary treatment are critical, while federal agencies are expanding surveillance and sterile fly prod…