Screwworm has not been detected in animals within the U.S., the USDA noted. It was largely eradicated for decades in the U.S.

Just two months after reports warily noted that new world screwworms, flesh-eating parasites that are notorious for killing ...

“This is the first human case of travel-associated New World screwworm myiasis (parasitic infestation of fly larvae) from an ...

The U.S. has confirmed the first case of the New World screwworm flesh-eating parasite in a human, according to the ...

Officials released more information on the first human case of screw worms as officials work to take action against the spread of the parasite.

The US has reported its first-ever human case of the flesh-eating screwworm parasite, detected in a Maryland resident who ...

The first reported case of a flesh-eating parasite in a human was confirmed by the U.S Department of Health and Human ...

NEW YORK, Aug. 25 (Xinhua) -- U.S. health authorities have confirmed a human case of flesh-eating screw-worm parasite in the country, local media reported Sunday. The case was identified in a person ...

Screw flies lay their eggs in any open wound of warm blooded animals. Dr. Doug Mader: “Screw worms start on the surface and then screw or burrow their way into healthy tissue.

The worms, which are the larvae of the screw fly, lay their eggs in the wounds of warm-blooded animals. Less than an inch long, they can kill a deer in a matter of days.

While not prevalent, human cases of screw-worm infestation have been recorded, the USDA said. When a person or animal is infected, the result is incredibly painful and gruesome, the department said.

It was in the 1950s that people got seriously sick of the screw worm. These animals were flies that, when they decided to lay eggs, would head for the nearest wound of the nearest mammal.