Event Brief
FDA clears ivermectin for horses against screwworm
Filed: Jul 16, 2026 at 2:00 PM ET
Summary: FDA approval allows ivermectin in horses to help prevent New World screwworm spread, protecting cattle and people.
WHO: FDA; horse owners/veterinarians
WHAT: FDA cleared ivermectin use in horses to help prevent New World screwworm spread
WHEN: Jul 16, 2026 at 1:07 PM ET
WHERE: Florida
WHY: The FDA cleared ivermectin to prevent the spread of New World screwworm, a parasite that threatens cattle and human lives.
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