USDA Screwworm Response: New Sterile Fly Releases Near U.S.-Mexico Border
The U.S. Department of Agriculture has launched a new phase of its USDA screwworm response…
Human Case of New World Screwworm Confirmed in Maryland
Introduction Health officials have confirmed the first human case of New World screwworm in Maryland.…
USDA Suspends Mexican Cattle Imports Over Screwworm Threat
The USDA again suspends Mexican cattle imports after finding signs of the New World screwworm—a…
Suspension of Mexican Cattle Imports: Update
In May 2025, the U.S. Department of Agriculture (USDA) enacted an immediate suspension of Mexican…