https://www.cnn.com/2022/03/15/health/pfizer-fourth-shot-seniors/index.html
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3/15/22 at 11:31pm
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Pfizer and BioNTech submitted an application for emergency use authorization to the US Food and Drug Administration for an additional booster dose of their Covid-19 vaccine for adults 65 and older who have gotten a booster dose of any of the authorized or app…
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