A case of the flesh-eating screwworm parasite has been identified in a person in Maryland who had traveled to the United ...

The person, who received treatment in Maryland, is the first confirmed case in the U.S. of New World screwworm, a parasite ...

(Corrects throughout that new human case of screwworm is not the first recorded case in U.S. history) By Cassandra Garrison ...

The Food and Drug Administration has authorized emergency use of animal drugs to treat and prevent infestations of the New ...

The parasitic flies eat cattle and other warm-blooded animals alive, with an outbreak beginning in Central America and ...

New World screwworm, a parasite that eats cattle and other warm-blooded animals alive, was eradicated from the US in the ...

The USA has ceased imports of livestock from our southern border until it is fully under control. This parasite can affect ...

As the threat of a nasty flesh-eating screwworm grows, cattle ranchers across the United States are on high alert. One ...

At Mahr's ranch outside Tuxtla Gutierrez, a worker lassos a young cow. The animal bucks as it is guided over to Mahr, who is ...

A Maryland resident has been treated for the New World screwworm, a rare flesh-eating parasite, after returning from ...