New World screwworm: What you need to know
Confirmed cases of New World screwworm in the southern U.S. highlight the need for proactive monitoring, strong biosecurity, and rapid response to protect animal health.
What's happening now
Several confirmed cases of New World screwworm (NWS) have been identified in the United States near the Texas-Mexico border, following continued outbreak activity in Mexico. NWS can have severe impacts on animal health if not identified and treated quickly.
This situation underscores the importance of proactive monitoring, strong biosecurity practices, wound management, effective fly control, and close coordination with veterinarians and animal health authorities. Federal and state agencies are actively supporting containment efforts, including movement controls, surveillance, and sterile fly release programs.
How MWI can support your operation
MWI Animal Health is actively monitoring the situation and providing resources to support customers in prevention and response efforts.
Expert insights on New World screwworm
Additional resources and official guidance
Information on New World screwworm continues to evolve. For the most up-to-date guidance, access the following resources.