Large nat immunity study in Qatar. Of 353K primary infections, only 1300 reinfections.

Of those reinfections, 90% lower chance of hosp or dying than an initial infection. Echos Israeli study.

Trust in public health is being lost bc this kind of data continues to be ignored. pic.twitter.com/aNoenFbH3i

— Margery Smelkinson, Ph.D. (@MSmelkinsonPhD) November 28, 2021

Good info.