06-05-2022, 07:43 AM
06-05-2022, 07:44 AM
To test this assumption, we linked state-level vaccination data with quality-controlled electronic health records from a large healthcare system, including 13 hospitals, in Massachusetts, USA.
https://www.researchsquare.com/article/rs-1601788/v1
https://www.researchsquare.com/article/rs-1601788/v1