Zoetis Receives Emergency Use Authorization for Simparica Trio® (sarolaner, moxidectin, and pyrantel chewable tablets) for Treatment of New World Screwworm Infestations in Dogs and Puppies

PARSIPPANY, N.J., August 13, 2026--Zoetis Inc. today announced that Simparica Trio has received Emergency Use Authorization (EUA) from the U.S. Food and Drug Administration (FDA) for the treatment of infestations caused by New World screwworm (Cochliomyia hominivorax) larvae (myiasis) in dogs and puppies. Larvae of Cochliomyia hominivorax, commonly called New World screwworm (NWS), feed on living tissues, such as open wounds, of animals including livestock, wildlife and pets, and can inflict dam