#Omicron We know little, but the risks are substantial and we should act in a precautionary way (boosters, good masks, ventilation). Lovely animation from @VickiGSP here. pic.twitter.com/0psSZ8PdZL — Trisha Greenhalgh (@trishgreenhalgh) November 29, 2021
COVID-19 Coronavirus Updates: Monday / Tuesday, Nov. 29-30Post + Comments (55)