It may seem counterintuitive, but health officials say that even after you get vaccinated against COVID-19, you still need to practice the usual pandemic precautions, at least for a while. That means steering clear of crowds, continuing to wear a good mask in public, maintaining 6 feet or more of distance from people outside your household and frequently washing your hands. We talked to infectious disease specialists to get a better understanding of why:
Why do I have to continue with precautions after I’ve been vaccinated?
In the short run, it will take some time for the vaccine’s effectiveness to build up. (Effectiveness is defined as not getting sick with COVID-19. If 100 vaccinated people are exposed to a virus and 50 of them subsequently develop symptoms, that vaccine is 50% effective.)
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