US Screwworm Update as New Case Confirmed in Texas
Summary
U.S. agriculture officials have confirmed a new case of New World screwworm in Texas. This parasite feeds on the living tissue of animals and was previously eradicated in the U.S. decades ago. Authorities are increasing efforts to monitor and control its spread.Key Facts
- A new screwworm case was found in a goat in Terrell County, Texas.
- Screwworm larvae eat living tissue of warm-blooded animals and infest open wounds only.
- The recent infection is about 180 miles west of the first Texas detection this outbreak.
- Mexico has reported nearly 30,000 cases since November 2024, with 1,800 active; the U.S. has 16 cases so far.
- In the U.S., screwworm has been confirmed in cattle, sheep, goats, and one dog.
- The parasite was eradicated in the U.S. by 1982 through sterile fly release programs.
- Officials urge livestock owners to report suspicious wounds to help contain the parasite.
- Control methods include inspections, public outreach, and sterile insect techniques to stop reproduction.
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