$PFE, $BNTX Reveal Findings from Early-Stage Study of mRNA-based Vaccine Candidate Against SARS-CoV-2    #Pfizer    #BioNTech    #SARSCoV2  #Coronavirus    #COVID19     #CoronavirusPandemic    #COVID19Pandemic  #CoronavirusOutbreak       https://t.co/ySWCFDauEu https://t.co/Yz1o2LLgLO