Screwworm infestations “can be deadly, especially when involving the scalp,” the doctors wrote in their case report. “Larvae ...

After decades of eradication, the New World screwworm is back in the United States.

Officials in nine countries are trying to get a handle on the New World screwworm, a fly whose larvae eat the living flesh of livestock. The pest is marching northward at an alarming rate and has now ...

This parasitic fly's maggots feed on live flesh, preferring livestock but also infecting humans, and can be fatal. And it's ...

A threat to American livestock – the New World Screwworm (NWS) fly, which has been considered eradicated from the country since 1966 — has reemerged as a potential danger following an outbreak in ...

Health officials are warning of a parasitic fly whose larvae feed on living tissue and can infest humans. The larvae feed on healthy tissue, according to health experts. New World Screwworm was ...

The CDC currently stresses that the risk is low, but screwworm has been found in the U.S.

A U.S. patient in Maryland was diagnosed with New World screwworm after traveling to El Salvador. The New World screwworm, eradicated from the U.S. in the 1960s, is a parasitic fly whose larvae infest ...