#Omicron makes up 72% of cases in England for 19th December
— Alastair Grant (@AlastairGrant4) December 21, 2021
The peak total number is still for specimens from 15th December, with both Omicron and Delta now declining
Omicron down from about 55k on 15th to 42k on 18th
Delta from 43k on 13th to 19.4k on 18th pic.twitter.com/QJF9wKJvP5