The U.S. has reported its first human case of the New World screwworm, raising alarms in the cattle industry. The CDC confirms a Maryland resident contracted the flesh-eating parasite after traveling to El Salvador. While the immediate risk is low, experts urge vigilance.
A traveler returning from El Salvador has been confirmed with the first human case of the flesh-eating New World screwworm in the U.S. Health officials assure the risk to the public remains low, but the case raises concerns about the parasite's spread.