How is the #Pfizer / BioNTech vaccine developed?#SARSCoV2 is covered w/Spike proteins that it uses to grab human cells. The vaccine consists of a small genetic material "messenger RNA" that provides instructions for a human cell to make a version of that Spike protein🧵 pic.twitter.com/cKRHv1OKGN

— Dr. Ali Nouri (@AliNouriPhD) November 9, 2020