COVID-19 vaccination effectiveness rates by week and sources of bias: a retrospective cohort study

Title
COVID-19 vaccination effectiveness rates by week and sources of bias: a retrospective cohort study
Authors
Keywords
-
Journal
BMJ Open
Volume 12, Issue 8, Pages e061126
Publisher
BMJ
Online
2022-08-24
DOI
10.1136/bmjopen-2022-061126

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