$BNTX $PFE. #Pfizer and #BioNTech Announce Early Positive Data from an Ongoing Phase 1/2 Study of #mRNA-based #Vaccine Candidate Against #SARS-CoV-2 https://t.co/ngyrmwlUYB. #BNT162 #BNT162b1 #SARSCoV2 #COVID19