You all know the data demonstrating dramatically higher hospitalization rates for unvaccinated folks

But one key point often not discussed?

Around 60%-70% of unvaccinated adults have already been previously infected

Which tells us a lot about infection-induced immunity

Thread pic.twitter.com/BDgxsWQ9sH

— Ashish K. Jha, MD, MPH (@ashishkjha) January 30, 2022