Texas Races to Contain First U.S. Screwworm Case Since the 1960s The New York TimesCanada restricts U.S. livestock imports from areas affected by screwworm CTV NewsGreg Abbott warns of ‘challenging summer' after flesh-eating parasite found in Texas Click2HoustonFlesh-eating screwworm returns to U.S. after 60 years, threatening cattle herd NBC News
