The answer to this depends on 3 factors which are not currently known: sterilizing immunity, duration of immunity, and effectiveness of vaccination campaigns. 1. Sterlizing immunity. It is possible that the Vaccine totally prevents you from getting the virus, or it is possible that the vaccine could prevent symptoms but still leave a patient contagious. In the latter case, the vaccine could actually increase transmission, because someone who was exposed to the virus and contagious would go
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