Dog among 2 new Texas screwworm cases; Canada blocks Texas livestock imports (opens original article in a new tab)

The USDA confirmed two new cases of New World screwworm in Texas, leading Canada to block Texas livestock imports to prevent the spread of the parasite.

• USDA confirmed two new screwworm cases in Texas, including a dog in Andrews County.
• Canada banned livestock imports from Texas to prevent the parasite's spread.
• Sterile flies are being released to disrupt the screwworm's reproduction cycle.