The U.S. has again ceased livestock imports from Mexico related to the presence of the parasitic New World screwworm fly closer to the border.

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

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

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

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

An old threat is rearing its ugly head once again, posing a huge risk to the Sunshine State, according to state officials.

The U.S. Department of Agriculture works to neutralize -- again -- the flesh-eating larva of the New World Screwworm fly.

The USDA hopes a new fly factory will be operating in southern Mexico by July 2026 to supplement fly breeding at an existing ...

The New World Screwworm (NWS), a devastating parasitic infestation that poses serious health risks to livestock, wildlife, ...

Mexican President Claudia Sheinbaum says the U.S. is over-reacting to the threat of a flesh-eating cattle parasite. Sheinbaum ...