US is racing to herd immunity... No need for a vaccine: $BNTX $MRNA $INO $ARCT $PFE $MRK $JNJ Antibody+Nucleoside+siRNA combo treatments against severe cases would be the solution needed: $REGN $AZN $LLY $GILD $BCRX $VIR $ARWR https://t.co/VxBfZJRLWQ