U. S. recloses border to livestock imports over parasite The U S has closed its southern border again to livestock imports, saying a flesh-eating parasite has moved further north in Mexico than previously reported Due to a northward spread of a flesh-eating parasite in Mexico, the U S has once again closed its southern border to livestock imports
US closes southern border again after flesh-eating parasite found in . . . The United States has once again closed its southern border to animal imports after a dangerous parasite called the New World screwworm fly was found further north in Mexico than before The parasite is known for its larvae, which eat live flesh and fluids of animals, causing serious harm