Arizona reported its first case of New World screwworm on Wednesday, making it the third state to be impacted by the parasite. The confirmed case was found in a domestic dog in Cochise County, Ariz., which shares a border with Mexico, according to a press release from the U.S. Department of Agriculture. The state’s Department…

Arizona reported its first case of New World screwworm on Wednesday, making it the third state to be impacted by the parasite. The confirmed case was found in a domestic dog in Cochise County, Ariz., which shares a border with Mexico, according to a press release from the U.S. Department of Agriculture. The state’s Department…