Arizona's underserved communities get first doses of COVID-19 vaccine From Flagstaff Medical Center to Verde Valley, Northern Arizona's frontline healthcare workers got their first doses of the Moderna vaccine Tuesday during a virtual rollout event. and last updated 2020-12-23 12:56:47-05 From Flagstaff Medical Center to Verde Valley, Northern Arizona's frontline healthcare workers got their first doses of the Moderna vaccine Tuesday during a virtual rollout event. Arizona's largest county received a delivery of more than 18,000 doses intended for long term care facilities. Rural counties also got their initial shipments of a coronavirus vaccine as well. âSo excited," said one ICU nurse at FMC. "I feel like this is the first step for us as far as protecting ourselves and protecting others.â