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 a...