What to know about protecting pets from the New World screwworm fly

Two New World screwworm cases in dogs in Texas and New Mexico have prompted warnings from veterinarians and humane societies about the threat to pets. The larvae of the screwworm fly infest mammals by laying eggs in wounds, causing severe pain and potential death if untreated. Flea and tick medications can prevent infestations, and prompt veterinary care is critical for treatment.