USDA confirms second Texas screwworm case as outbreak fears grow

A flesh-eating screwworm is back in the U.S. Experts have found New World screwworm larvae in a South Texas calf, marking the first confirmed U.S. case in decades. Straight Arrow News LA PRYOR, Texas/MEXICO CITY - A second case of the flesh-eating screwworm parasite was confirmed in Texas by the U.S. Department of Agriculture on June 5, emerging just miles from where the first U.S....