Tweet from ddiamond at December 19, 2021 at 03:38PM

How quickly omicron is moving to supplant delta, through the eyes of one hospital system, @MethodistHosp in Texas:

For months: delta is 100% of cases
Dec. 8: hospital detects first omicron cases
Dec. 12: omicron is 45% of cases
Dec. 15: omicron is 82% of cases https://t.co/9jV4CzI5MQ

— Dan Diamond (@ddiamond)
Dec 19, 2021

from http://twitter.com/ddiamond