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Pfizer seeks authorization for updated Covid vaccine, without fresh clinical trial data
Pfizer and BioNTech said that they have asked the FDA to authorize a new booster shot targeted at the Omicron BA.4/BA.5 strain of the coronavirus that causes Covid-19.
https://www.statnews.com/2022/08/22/pfizer-seeks-authorization-for-updated-covid-vaccine-without-fresh-clinical-trial-data/?utm_campaign=rss
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