Two COVID-19 vaccines — produced by Pfizer/BioNTech and Moderna — have been approved by the FDA and are currently being distributed in the U.S. The vaccine produced by Pfizer-BioNTech has a reported efficacy of 95% and the vaccine produced by Moderna has a reported efficacy of 94%.
As of 2021-02-03, 27,154,956 people have received one or more doses of a COVID-19 vaccine, and more than 4M doses per week of the Pfizer and Moderna vaccines are delivered to the US according to vaccine distribution reports maintained by the Centers for Disease Control and Prevention.
Public health officials can use forecasts of the number of people expected to receive one or more doses of a COVID-19 vaccine to (i) better predict incident cases and deaths and (ii) communicate the potential risks of infection to the public.
Data sources and more information:
What will be the cumulative number of people who have received one or more doses of a COVID-19 vaccine in the U.S. on 2021-02-28?
This question will resolve as the cumulative number of people who receive one or more doses of a COVID-19 vaccine on 2021-02-28 as recorded by the Centers for Disease Control COVID-19 Data tracker in the column "Number of People Receiving 1 or More Doses." The dashboard is updated daily by 8pm ET and will be accessed on 2021-02-28 at approximately 10:00pm ET.