June 08, 2026
3 min read
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Two more animal cases of the flesh-eating New World screwworm have been detected in Texas, bringing the total to four, the U.S. Department of Agriculture announced Monday.The newest cases of New World screwworm (NWS) appeared in a calf in La Salle County and a dog in Andrews County, according to the USDA. Two cases were confirmed last week in calves in Zavala County, Texas.
June 08, 2026
3 min read
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A second case of New World screwworm was confirmed in Texas this week in a one-month old calf nearly six miles from where the…

Scientists expect a handful of new cases could pop up in the coming days and weeks

New World screwworm larvae feed on the living tissue of warm-blooded animals, creating severe wounds that can be fatal if left…

The USDA confirmed the first New World screwworm case in the U.S. in decades on Wednesday night, in a 3-week-old calf in South…

The USDA said it would continue carrying out ‘aggressive eradication efforts’ alongside state partners to eradicate the…

KERVILLE, Texas (AP) — Two more cases of the New World screwworm have been confirmed in Texas, demonstrating the difficulty of…