After a decades-long hiatus, new world screwworm populations have surged in Central America and Mexico — and are inching northward.

Earlier this week, the Department of Health and Human Services (HHS) confirmed the first human case of a flesh-eating parasite in the U.S. The patient, a Maryland resident, had recently returned from ...

The U.S. has blocked imports of live cattle, horses, and bison through southern border ports following the resurgence in Mexico of the New World Screwworm, a parasitic fly that infects animals and ...