State Farm Stadium in Glendale becomes 24/7 COVID-19 vaccination site: How to sign-up State Farm Stadium in Glendale becoming vaccination site. and last updated 2021-01-13 20:15:25-05 GLENDALE, AZ â Beginning on Monday, Jan. 11, State Farm Stadium in Glendale will open as a 24/7 COVID-19 vaccination site. A registration link for the State Farm Stadium site is available on the Arizona Department of Health Services website. On Monday, select law enforcement officials and other protective service workers will be vaccinated at State Farm Stadium, followed by others in phases 1A and 1B who make appointments starting Tuesday, Jan. 12. The first appointments at State Farm Stadium will be available to health care workers, first responders, teachers, law enforcement, Arizonans over age 75, and others at the top of the priority list, ADHS says.