Pfizer CEO says 4th dose of COVID vaccine “necessary,” submits data to FDA https://www.cbsnews.com/news/covid-vaccine-fourth-dose-booster-pfizer-ceo-albert-bourla/
Pfizer CEO says 4th dose of COVID vaccine “necessary,” submits data to FDA https://www.cbsnews.com/news/covid-vaccine-fourth-dose-booster-pfizer-ceo-albert-bourla/