$MRNA skeptics: 25ug - 100ug dose neutralizing antibody titer level 340 - 654. 2x-4x &gt; convalescent sera 158. $PFE $BNTX 94. Well tolerated and more effective than 250ug dose. mRNA-1273 elicits CD4 T-cell response. Possible approval turn of year. #COVID19 #lockdown #Banksy