Mexico Confirms Case of New World Screwworm in Nuevo Leon

(Washington, D.C., September 21, 2025) – Hours ago, Mexico’s National Service of Agro-Alimentary Health, Safety, and Quality (SENASICA) confirmed a new case of New World screwworm (NWS) in Sabinas Hidalgo, located in the state of Nuevo León, less than 70 miles from the U.S.-Mexico border.