1. US Food and Drug Administration. FDA Takes Key Action in Fight Against COVID-19 By Issuing Emergency Use Authorization for First COVID-19 Vaccine. 2020. https://www.fda.gov/news-events/press-announcements/fda-takes-key-action-fight-against-covid-19-issuing-emergency-use-authorization-first-covid-19 (accessed 14 March 2022).
2. Safety and efficacy of the BNT162b2 mRNA covid-19 vaccine;Polack;N Engl J Med,2020
3. US Centers for Disease Control and Prevention. Different COVID-19 Vaccines. 2022. https://www.cdc.gov/coronavirus/2019-ncov/vaccines/different-vaccines.html.
4. World Health Organization. COVID-19 advice for the public: Getting vaccinated. 2022. https://www.who.int/emergencies/diseases/novel-coronavirus-2019/covid-19-vaccines/advice.
5. Safety and efficacy of the BNT162b2 mRNA covid-19 vaccine through 6 months;Thomas;N Engl J Med,2021