Giuseppe MichieliIntrinsic and effective #severity of #COVID19 cases infected with the ancestral strain and #Omicron #BA2 #variant in #HK https://academic.oup.com/jid/advance-article/doi/10.1093/infdis/jiad236/7208626?rss=1 #epidemiology #cfr #resources #hospital #wuhan #china
''Conclusions: Omicron has comparable intrinsic severity to the ancestral Wuhan strain although the effective severity is substantially lower in Omicron cases due to vaccination.''