Scientific American
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The chances that you will get a “breakthrough” infection with SARS-CoV-2 despite being vaccinated more than two weeks ago (with both doses in the case of a two-dose COVID-19 vaccine) are “quite low, but not zero,” according to a 4/20/21 post at Dear Pandemic. The chances of this occurring are 0.0077%, the post states. Breakthrough infections are not surprising because some also occurred during large-scale human studies of the vaccines. A total of 95% fewer such infections occurred among study subjects who received the Pfizer COVID-19 vaccine than among subjects who didn’t, for instance. But, obviously, that means some infections (8 out of 18,198 people vaccinated versus 162 in the similarly sized group of people who were not vaccinated) did occur among those receiving the vaccine. “The number of breakthrough infections depends heavily on the level
By ALLYSON CHIU | The Washington Post | Published: April 17, 2021
Stars and Stripes is making stories on the coronavirus pandemic available free of charge. See more staff and wire stories here. Sign up for our daily coronavirus newsletter here. Please support our journalism with a subscription. There are various ways to document that you received a coronavirus vaccine. Some people have snapped selfies proudly displaying the Band-Aid on their upper arm. Some vaccination sites are handing out stickers. But the official form of documentation is the small white vaccination record card issued by the Centers for Disease Control and Prevention, which you receive after your first shot.
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