Omicron is less severe and natural immunity works.
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Clinical outcomes among patients infected with Omicron (B.1.1.529) SARS-CoV-2 variant in southern California.
https://www.medrxiv.org/content/10.11…
https://www.medrxiv.org/content/10.11…
Omicron variant infection, reduced risk of hospitalization across age and comorbidity categories.
Risk of symptomatic hospitalization was markedly reduced among cases who had tested positive for SARS-CoV-2 infection ≥90 days prior.
Intrinsically less severe infection.
Less severe in vaccinated and unvaccinated.
Evidence for a reduction in severe outcomes among vaccinated cases with both Delta and Omicron variant infections in our study suggests substantial public health benefits from continued COVID-19 vaccination.