HOUSTON — U.S. agriculture officials are sounding the alarm after Mexico’s National Service of Agro-Alimentary Health, Safety, and Quality confirmed a new case of New World screwworm (NWS) in Sabinas Hidalgo, Nuevo León — less than 70 miles from the Texas border.

This is now the northernmost detection of the screwworm during the ongoing outbreak, and officials warn it poses the greatest threat yet to American cattle and livestock. Sabinas Hidalgo lies near the major highway connecting Monterrey to Laredo, one of the busiest commercial trade corridors in the world.

“Protecting the United States from NWS is non-negotiable and a top priority of the Trump Administration,” U.S. Secretary of Agriculture Brooke L. Rollins said. “This is a national security priority. We will not rely on Mexico

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