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COVID spreads in China

Unexpected Elements

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Is Omicron More Infectious Than Other Variants?

Omicron was very likely modestly less virulent or less severe than the previous variants. Data from Hong Kong does suggest that there was an intrinsic, slightly lower severity. Omicron is less efficiently able to replicate in lung tissues compared to some of the other variants. It had less severe impact in terms of hospitalization and death.

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