
Safety and Efficacy of the BNT162b2 mRNA Covid-19 Vaccine
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7745181/Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection and the resulting coronavirus disease 2019 (Covid-19) have afflicted tens of millions of people in a worldwide pandemic. Safe and effective vaccines are needed urgently.In an ongoing ...