Pfizer submits data to FDA for COVID-19 vaccine booster authorizationAugust 16 2021https://torontosun.com/health/pfizer-submits-data-to-fda-for-covid-19-vaccine-booster-authorization
August 16 2021https://torontosun.com/health/pfizer-submits-data-to-fda-for-covid-19-vaccine-booster-authorization
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