GoKawiilNew World Screwworm spreads to Arizona, bringing US animal case count to 74
US health officials confirmed the New World Screwworm flesh-eating parasite has spread to Arizona, becoming the third state affected alongside Texas and New Mexico. Since the flies re-entered the US in June, 74 animal infestations have been recorded, including recent attacks on four dogs and a cat. The parasite's larvae burrow into living tissue through wounds and orifices, causing severe and sometimes fatal injuries.