Posted in Web A third Pfizer dose? The Covid-19 vaccine maker is … September 28, 2021 Pfizer CEO Albert Bourla spoke with NBC News’ Lester Holt about the next steps for the company’s Covid-19 vaccine. Doses of the Pfizer-BioNTech coronavirus vaccine at CHIREC Delta Hospital in … https://www.nbcnews.com/health/health-news/third-pfizer-dose-covid-19-vaccine-maker-studying-booster-shots-n1258775