Screwworm parasite arrives at the US border, with new cases in Coahuila and Texas

The U.S. Department of Agriculture confirmed the presence of New World screwworm in Zavala County, Texas, following a recent case in Coahuila, Mexico, near the border. The parasite, which threatens livestock and could harm the U.S. cattle industry economically, has resurfaced after being eradicated in the region. Mexico has reported over 350 human infestation cases, with new cases in Mexico City and Nuevo León.