Pfizer and BioNTech Granted FDA Fast Track Designation for Two Investigational mRNA-based Vaccine Candidates Against SARS-CoV-2 https://www.businesswire.com/news/home/20200713005168/en/Pfizer-BioNTech-Granted-FDA-Fast-Track-Designation https://www.businesswire.com/news/home/20200713005168/en/Pfizer-BioNTech-Granted-FDA-Fast-Track-Designation