A Phase 1/2/3, Placebo-controlled, Randomized, Observer-blind, Dose-finding Study to Describe the Safety, Tolerability, Immunogenicity, and Potential Efficacy of SARS-Co V-2 RNA Vaccine Candidates Against COVID-19 in Healthy Adults
To describe the safety and tolerability profiles of prophylactic BNT162 vaccines in healthy adults after 1 or 2 doses