The Pfizer vaccine, which requires dry ice temps, will probably not be distributed beyond hospitals and research centers that have access to ultralow freezers. You local PCP clinic in unlikely to have the necessary freezer equipment. The Moderna vaccine is a little easier to handle, as it can be stored a typical freezer temperatures. High volume locations should be able to handle it. IIRC, once you thaw it out, you have a limited time to use up the doses. The AstraZeneca and Johnson & Johnson viral vector vaccines can be stored at regular refrigerator temps, and I'll bet these (for which the US has contracted for 400 million doses, enough for 250 million individuals) will be the ones the might make it into the local drug stores, etc. I would not expect the AstraZeneca or J&J vaccines to get a U.S. EUA prior to late January based on the starts of their Phase 3 trials. The AstraZeneca vaccine has already been approved in the UK, but is still in a U.S. Phase 3 trial.