Use of Pfizer-BioNTech COVID-19 Vaccine in Persons Aged ≥16 Years: Recommendations of the Advisory Committee on Immunization Practices -- United States, September 2021. - Dooling, Kathleen; Gargano, Julia W.; Moulia, Danielle; Wallace, Megan; Rosenblum, Hannah G.; Blain, Amy E.; Hadler, Stephen C.; Plumb, Ian D.; Moline, Heidi; Gerstein, Jack; Collins, Jennifer P.; Godfrey, Monica; et al. (MMWR: Morbidity & Mortality Weekly Report, 2021)