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- 델타변이 보다 약한 오미크론 코로나바이러스 변이 #오미크론 #코로나바이러스 #델타변이 #캐나다뉴스 #남아프리카공화국 South African doctors see evidence Omicron COVID-19 variant is
- [New York Times] December 29, 2021 Morning Briefing Omicron puts a damper on New Year’s Eve As the Omicron variant of the coronavirus drives infection rates Just a month ago, Covid vaccines made it seem like Dec. 31 celebrations would be back.