SARS-CoV-2 Omicron Variant is as Deadly as Previous Waves After Adjusting for Vaccinations, Demographics, and Comorbidities
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The B.1.1.529 (Omicron) variant of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has previously been reported as more transmissible, but less severe than other SARS-CoV-2 variants. To test this assumption, we linked state-level vaccination data with quality-controlled electronic he...

Researchers studies 130, 000 records of individuals who were hospitalised or who died in the US. Then they studied the association between omicron strain and the deaths/hospitalisations after adjusting for the effects of vaccination but not treatment. The evidence is intuitive: omicron is as deadly as previous waves. What seems to happen is vaccines blunt the impact. This is a preprint