The U.S. has blocked imports of live cattle, horses, and bison through southern border ports following the resurgence in Mexico of the New World Screwworm, a parasitic fly that infects animals and ...

The United States is halting imports of livestock from Mexico to protect U.S. livestock from a flesh-eating parasite called the New World Screwworm. The New World Screwworm, or the NWS for short, is a ...

Hunters and outdoor enthusiasts in South Texas, an invasive flesh-eating parasite that's been eradicated from the U.S. for decades was just found at a Mexican checkpoint. The Texas Parks and Wildlife ...

Kansas health officials have alerted providers about the potential for human cases of New World screwworm. New World screwworm maggots burrow into and feed on the living flesh of animals and humans.

Add Yahoo as a preferred source to see more of our stories on Google. The U.S. has blocked imports of live cattle, horses, and bison through southern border ports following the resurgence in Mexico of ...