The Department of Health and Human Services has confirmed the first human case of the flesh-eating New World screwworm parasite in the US.

The first human case of the flesh-eating parasite "New World screwworm" has been detected in the United States in a person who had recently traveled to El Salvador. NBC News medical contributor Dr. Kavita Patel talks about the risks to humans and the implication of the parasite's presence can mean for cattle and agriculture in the U.

A flesh-eating parasite has been confirmed in a human marking the first case in the U.S. According to CNN, the U.S. Department of Health and Human Services spokesman, Andrew Nixon, said this rare case originated from the New World screwworm.