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 spread. Authorities are implementing quarantine zones and releasing sterile flies to control the outbreak.

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