SARS-CoV-2 Infection and Hospitalization Among Adults Aged ≥18 Years, by Vaccination Status, Before and During SARS-CoV-2 B.1.1.529 (Omicron) Variant Predominance — Los Angeles County, California, November 7, 2021–January 8, 2022 | MMWR – COVID-19

On February 1, 2022, this report was posted online as an MMWR Early Release.Summary
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COVID-19 vaccines are highly effective against severe SARS-CoV-2–associat… [+23936 chars]