A flesh-eating parasite that was eliminated from the United States decades ago has been detected in Texas, triggering a rapid response from federal and state officials. The U.S. Department of Agriculture (USDA) confirmed this week that a screwworm infestation was found in a three-week-old calf in Zavala County, marking the return of a pest that had been eradicated from the U.S. since the late 1960s. According to Fox Weather , the discovery was made in the calf’s umbilical area, where New World screwworm larvae were feeding on living tissue. While officials say no additional cases have been identified so far, the detection has raised concerns because of the parasite’s ability to spread among livestock, wildlife, pets, and, in rare cases, humans. State and federal agencies have already begun containment efforts, including quarantines, increased surveillance, and the release of sterile flies designed to disrupt the insect’s reproductive cycle.…