NWS is a deadly parasitic infection that can "kill a full-grown cow within one to two weeks," said NPR. When affected, the ...

New World Screwworm spreads from Mexico, prompting US cattle import ban. This threatens beef supply and could drive prices ...

A flesh-eating parasite known as New World Screwworm is moving closer and closer to the US border in Texas. The devastating ...

New World Screwworm, a devastating parasite that eats cattle and other wild animals alive, is traveling north from Central ...

The president and CEO of R-CALF USA is requesting a federal investigation into a suspected false report that New World ...

To say the New World Screwworm is a nasty parasite would be an understatement. The flesh-eating scourge that tortures cattle ...

The New World Screwworm (NWS, Cochliomyia hominivorax) is a parasitic fly native to the Western Hemisphere. It lays eggs in ...

A small, pale maggot about a half-inch long could cost New Mexico cattle ranchers greatly if it gets back into the country. One of the state's senators introduced new legislation to combat the New ...

After a decades-long campaign to beat the parasites down to Panama, they’re speeding back up north.

Mexico's New World Screwworm outbreak halts livestock imports at the southern border as US officials work to prevent the parasitic fly from spreading to American animals.