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Why You Should Still Wear A Mask And Avoid Crowds After Getting The COVID-19 Vaccine

Added 01-12-21 04:07:02pm EST - “It takes time after vaccination for immunity to the virus to build up, and no vaccine is 100% effective. Plus, scientists don't yet know if the vaccine stops viral spread. Here's what's known so far.” - Npr.org

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Posted By TheNewsCommenter: From Npr.org: “Why You Should Still Wear A Mask And Avoid Crowds After Getting The COVID-19 Vaccine”. Below is an excerpt from the article.

Staff and residents of the Ararat Nursing Facility in the Mission Hills neighborhood of Los Angeles got COVID-19 shots on Jan.7. Coronavirus cases, hospitalizations and deaths have been surging throughout the county. Mario Tama/Getty Images hide caption

Staff and residents of the Ararat Nursing Facility in the Mission Hills neighborhood of Los Angeles got COVID-19 shots on Jan.7. Coronavirus cases, hospitalizations and deaths have been surging throughout the county.

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:

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.)

With the Pfizer vaccine, a study published in the New England Journal of Medicine in December found that protection doesn't start until 12 days after the first shot, and reaches 52% effectiveness a few weeks later. A week after the second vaccination, the effectiveness rate hits 95%. In its application for authorization, Moderna reported a protection rate of 51% two weeks after the first immunization, and 94% two weeks after the second dose.

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