米国 コロナ入院数最多記録

Question: has there been a country that has seen an omicron wave that wasn't already overrun by previous variants?

I.e. are we sure that omicron's supposed mildness isn't simply a result of prior exposure + vaccinations?

Asking for, uh, a friend.

— Gearoid Reidy リーディー・ガロウド (@GearoidReidy) January 7, 2022

06 January 2022 Omicron’s feeble attack on the lungs could make it less dangerous 重症化は以前と比べれば少ないがアメリカだと入院はすでに記録的。