06/05/2026
New World Screwworm has been confirmed in Texas. See information below for the signs, symptoms, and how to stay up to date.
⚠️ UPDATE: On June 5th USDA confirmed a second case of New World screwworm in the same South Texas county. Read USDA’s update here: https://www.aphis.usda.gov/animals/animal-health/livestock-and-poultry-disease/current-status?page=1
NEW WORLD SCREWWORM
On June 3, USDA confirmed the presence of New World Screwworm (NWS) in South Texas.
🔗 Read USDA's announcement:
https://www.aphis.usda.gov/news/agency-announcements/usda-confirms-presence-new-world-screwworm-united-states
New World Screwworm can affect livestock, pets, wildlife, and, in rare cases, humans. Early detection and rapid reporting are critical to preventing further spread.
🔗 For the latest updates on confirmed cases and response efforts:
https://www.screwworm.gov
If you suspect New World Screwworm in your animals or observe suspicious wound infestations in nearby wildlife, contact your state animal health official or USDA Veterinarian in Charge immediately:
https://www.aphis.usda.gov/contact/animal-health?filter=report%20sick%20or%20dead%20livestock%20or%20poultry
While not common in people, anyone who believes they may have contracted screwworm should seek medical attention promptly.
It's important to note - The U.S. food supply, including American lamb, is safe. New World Screwworm does not infest meat, fruits, vegetables, or other food products.