The Department of Health and Human Services confirmed the first human case of a flesh-eating parasite in the U.S. Here's what you need to know about New World screwworm.

The New World screwworm can be deadly for humans and animals, and can devastate livestock. The current risk to the public is said to be very low. The first case of a flesh-eating maggot in years has been detected in the United States,

U.S. health authorities have confirmed the country’s first human infection involving the New World screwworm, a flesh-eating parasite. The case was identified on August 4 in Maryland in a patient who had recently traveled from El Salvador.