The U.S. Department of Health and Human Services on Sunday reported the first human case in the United States of travel-associated New World screwworm, a flesh-eating parasite, from an outbreak-affected country.

A case of the flesh-eating screwworm parasite has been identified in a person in Maryland who had traveled to the United States from Guatemala, according to four sources familiar with the situation. The person,

STORY: The first case of flesh-eating screwworm in a human in the United States this year has been identified in a person in Maryland who had traveled from Guatemala.The parasite eats cattle and other warm-blooded animals