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

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