New World screwworm

This Fox News opinion piece reports that the New World screwworm has been detected again on U.S. soil, with at least two confirmed cases in Texas cattle following th...

The USDA confirmed detection of New World screwworm larvae in a single 3-week-old calf in Zavala County, Texas. The larvae were identified in the calf's umbilical ar...

The U.S. Department of Agriculture reported that a New World screwworm infestation was detected in a 5-year-old goat in Coahuila state, Mexico, approximately 25 mile...

U.S. officials have confirmed multiple detections of New World screwworm infections in livestock in Texas and New Mexico after the parasite migrated north from outbr...

On June 12, 2026, the U.S. Food and Drug Administration issued an emergency use authorization (EUA) for nitenpyram tablets to treat New World screwworm infestations ...

U.S. Department of Agriculture officials confirmed two cases of New World screwworm in cattle in South Texas. Agriculture Secretary Brooke Rollins said federal teams...