The US Department of Agriculture (USDA) confirmed on June 8, 2026, that two additional cases of New World screwworm have been detected in Texas. This follows the recent discovery of the parasite in the state for the first time in decades. One case involved an infested calf in La Salle County, Texas.
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USDA reports two new cases of New World screwworm in Texas
The USDA has confirmed two new cases of New World screwworm in Texas, marking the return of the parasite to the state after many years. One of the cases was reported in La Salle County involving an infested calf.
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USDA confirms 2 new screwworm cases in Texas
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USDA reports two new cases of New World screwworm in Texas