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

Two new cases of New World screwworm in Texas have led to Canada blocking livestock imports from the state, with federal agencies deploying quarantine zones and sterile fly dispersal to control the outbreak.

• 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.
• Authorities established quarantine zones and released sterile flies to eradicate the pest.