The U.S. confirmed three additional cases of New World screwworm on Monday, raising the total number of cases to five. The New World screwworm can infest any warm-blooded animal, including livestock, pets, wildlife, and, in rare cases, people.
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The U.S. confirmed three additional cases of New World screwworm on Monday, raising the total number of cases to five since the first domestic screwworm infestation in six decades was found in a Texa...