Omicron may be less severe in South Africa. That may not be the case for the U.S.

It's been about a month since scientists first detected the highly mutated coronavirus variant dubbed "omicron." Since then, scientists have come to learn that omicron spreads faster than the delta variant and is the quickest-spreading variant the world has yet faced. It also has a huge ability to bypass immune protection and cause breakthrough infections. The big open-ended question right now cen

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南アフリカでは入院してない患者の大多数の症状が3～4日で治まるってのはいい話だ