The U.S. has confirmed its first human case of the New World screwworm, a flesh-eating parasite whose northward creep from South America has put the country's cattle industry on high alert in recent ...

The New World screwworm typically infests livestock like cattle but can also affect humans, with the infestation described as "very painful" Michael Nied has been a digital news editor with PEOPLE ...

A screwworm may sound like a creature straight out of a Stephen King novel. Unfortunately, it's a real pest -- one that has made its way back to the United States after being kicked out years ago.

WASHINGTON (WDCW) – The country’s first human case of the New World screwworm, a flesh-eating parasite already wreaking havoc on cattle and driving up beef prices, has been reported in Maryland, ...