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Yes, we’ll probably need coronavirus booster shots. But which one?

Scientists expand efforts to determine when COVID19 vaccine booster shots will be needed.

Relief of being vaccinated against the coronavirus is being replaced by a new sorry: will immunity last, & how will new virus variants affect vaccine protection?

U.S. scientists are expanding efforts to evaluate when fully vaccinated people will need booster shots — and, if so, whether people can switch brands — in the latest chapter of the global quest to stop the pandemic. For people eager to put the health crisis behind them, the relief of being vaccinated is being replaced by a new worry. Is immunity a ticking clock? Should they plan a family wedding this fall? Will everyone need booster shots? When? Are people locked into the same brand or vaccine technology for their next shot?

“As we know, covid is not going to go away anytime soon, and we know that the antibodies decrease over time, so that a boost will be needed at some juncture. I can’t predict when,” said John Beigel, associate director for clinical research in the Division of Microbiology and Infectious Diseases at the National Institute of Allergy and Infectious Diseases.

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