The map shows the ports of entry affected by the U.S. Agriculture Department’s announcement and the approximate locations of ...

The reemergence of the New World screwworm, which poses significant health risks for livestock, has prompted the Department ...

The U.S. has closed its southern border again to livestock imports, saying a flesh-eating parasite has moved further north in ...

The New World screwworm fly, a flesh-eating parasite, is making a concerning comeback. Learn about the screwworm's threat to ...

The US has halted livestock imports from Mexico as the New World screwworm fly spreads closer to the southern border. The parasitic insect poses a threat to livestock and, in rare cases, humans. US ...

If the New World screwworm were to start another outbreak in the U.S. like in the 1950s and 1960s, the parasite could fatally affect livestock, pets, wildlife, and potentially humans.

The U.S. has shut its southern border to livestock imports again after a flesh-eating parasite was found further north in ...

The reemergence of the New World screwworm, which poses significant health risks for livestock, has prompted the Department of Agriculture to halt cattle shipments from Mexico to the United States.

The US has closed its ports of entry to Mexican cattle for fear of the parasitic, flesh-eating worm spreading north.