"China urged to seek alternatives to its faltering Covid vaccines"
—Need for 3 shots for parity w/ mRNAs for mortality reduction
—May need 2 mRNA booster shots for full effectiveness https://t.co/nN1DbnD7JS @hannahkuchler @EleanorOlcott w/ @VirusesImmunity @bencowling88 pic.twitter.com/zarXvZK1Gb

— Eric Topol (@EricTopol) April 20, 2022