Texan Case Marks First US Flesh-Eating Screwworm Sighting Since 1966
A New World Screwworm has been detected in the US for the first time since 1966, in a three-week-old calf in Texas near the Mexico border. Authorities are establishing a 20 km detection and quarantine zone to slow the spread as the parasite can infest wounds and threaten cattle herds; human risk is low and there are no food-safety concerns.