Screwworm cases rise; infested zone expanded in Texas
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Texas officials reported that confirmed New World screwworm cases increased to 20 this week, with the latest detection in Medina County. State agencies expanded an infested zone to include parts of Medina, Bandera and Uvalde counties, urged ranchers to inspect animals, and cited sterile male fly releases as a primary containment strategy.
Austin-area authorities and county health districts said Tuesday that Williamson County has no confirmed cases but emphasized early detection and veterinary consultation for potential human exposure. Federal and state responses include quarantine zones, trapping, sterile-fly releases and emergency drug approvals; lawmakers and agencies have communicated with the USDA as coordination and surveillance continue.
More context
Timeline
- 1. June 3, 2026: USDA confirms re-emergence of New World screwworm in the U.S.
- 2. Early June 2026: Initial cases detected across Texas and southeastern New Mexico; containment measures begin.
- 3. Mid-June 2026: Quarantine zones established; sterile male fly releases and trapping deployed.
- 4. June 18, 2026: Local coverage urges vigilance; some counties report no local cases but advise checks.
- 5. Late June 2026: Confirmed cases reported at 20; infested zone expanded to parts of Medina, Bandera, and Uvalde counties.
Why it matters
The rising screwworm cases in Texas could impact your health and safety. If you're in the expanded infested zone, be vigilant. Check your pets and livestock for signs of infestation. Consult a vet if you suspect exposure.
Sources
JQJO Editorial Desk · Human reviewed · AI assisted. Report a correction.
