NEW YORK (AP) — A Maryland resident who traveled to El Salvador has been diagnosed with New World screwworm — the first reported U.S. case tied to travel to a country with a current outbreak.

The Centers for Disease Control and Prevention confirmed the diagnosis on Aug. 4. Federal health officials acknowledged the infection in an emailed statement Monday.

The person has recovered, and investigators found no transmission to any other people or animals, Maryland health officials said.

New World screwworm is a fly that lays its eggs in open wounds and body openings. The parasite is typically found in South America and the Caribbean.

It is rare in humans but has been a concern to ranchers, as cattle infestations have been moving northward through Central America and Mexico. The CDC is work

See Full Page