Reply(1) Several tents are set up so people who have registered can get their COVID-19 vaccinations as they drive-thru the parking lot of the State Farm Stadium, Tuesday, Jan. 12, 2021, in Glendale, Ariz. (AP Photo/Ross D. Franklin) TUCSON, AZ — Pima County is moving into prioritized Phase 1B of its vaccination plan Friday, according to the county health department. First responders, educators and residents over the age of 75 will be eligible to receive the vaccine at several sites. Arizona has updated its guidelines to include anyone over the age of 65 in this phase due to federal recommendations, but Pima County has not yet amended its plan.