YUMA, AZ (AZFamily) — Arizona has confirmed five cases of New World screwworm in animals, as federal officials authorize an emergency treatment for dogs and California adds entry requirements for pets from affected areas.
The Arizona cases involve two horses, two dogs and one sheep in the eastern and southeastern parts of the state. No cases have been reported in Yuma.
New World screwworm is a parasitic fly whose larvae feed on living tissue. Infestations can cause serious wounds and can be fatal if left untreated…