A case of New World screwworm was detected in livestock in the Mexican state of Tamaulipas, which borders the southern tip of ...

MEXICO CITY (AP) — Mexico activated emergency controls Monday after detecting a new case of New World screwworm in cattle in the northern border state of Nuevo Leon state, the closest case to the U.S.

Mexican screwworm outbreak forces cattle market shifts as illegal smuggling from Central America continues to spread disease ...