New human screwworm case in US traced to person in Maryland who traveled from Guatemala, sources say
By Cassandra Garrison, Tom Polansek and Leah Douglas BUENOS AIRES/CHICAGO/WASHINGTON (Reuters) -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. The case, investigated by the Maryland Department of Health and the U.S. Centers …