New @CDCMMWR shows effectiveness of mRNA #vaccines against infection with the virus that causes #COVID19 in nursing home residents fell from 75% from …


New @CDCMMWR shows effectiveness of mRNA #vaccines against infection with the virus that causes #COVID19 in nursing home residents fell from 75% from March–May 2021 to 53% from June–July 2021. More: http://bit.ly/MMWR81821d

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