Map Shows Growing US Screwworm Outbreak As Cases Hit 20
Summary
The U.S. Department of Agriculture has confirmed 20 cases of New World screwworm infections in Texas and one in New Mexico, affecting mainly cattle and some other animals. Officials are responding with quarantine zones, sterile insect releases, and other efforts to stop the spread of this pest, while saying the overall risk to animals and people remains low.Key Facts
- There are now 20 confirmed screwworm cases in the U.S., mostly in Texas and one in New Mexico.
- The pest affects livestock such as cattle, goats, sheep, and at least one domestic dog.
- Screwworm larvae grow by burrowing into open wounds on animals, causing serious damage if untreated.
- The outbreak is growing steadily since June and is linked to the spread of screwworm from Mexico.
- The USDA has allocated about $105 million to improve detection, control, and eradication methods.
- Officials released sterile screwworm flies to stop reproduction as part of a proven eradication strategy.
- Quarantine zones in Texas restrict animal movement to prevent the pest’s spread.
- The USDA emphasizes rapid response including isolating cases, surveillance, and animal movement controls.
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