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

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 ...

SAN ANTONIO - Authorities around Texas are inspecting livestock for the New World screwworm — a flesh-eating parasite that ...

LONDON (Reuters) - Putting flesh-eating maggots into open wounds may not be such a great idea after all. They do clean wounds more quickly than normal treatment but this does not lead to faster ...