STORY: The U.S. has confirmed the first human case in the United States of travel-associated New World screwworm. It involved ...

U.S. officials confirmed a case of the flesh-eating parasite in a person who traveled from El Salvador. Screwworm typically ...

The USDA has estimated a screwworm outbreak could cost the economy in Texas, the biggest U.S. cattle-producing state ...

Mourners attended the funeral of Capt. Francisco Merchan, a police pilot killed when his helicopter was shot down by a ...