Evolution of the data and methods in real-world COVID-19 vaccine effectiveness studies on mortality: a scoping review protocol
Background Early evidence on COVID-19 vaccine efficacy came from randomised trials. Many important questions subsequently about vaccine effectiveness (VE) have been addressed using real-world studies (RWS) and have informed most vaccination policies globally. As the questions about VE have evolved d...
Main Authors: | , , , , , , , , |
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Format: | Article |
Language: | English |
Published: |
BMJ Publishing Group
2024-03-01
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Series: | BMJ Open |
Online Access: | https://bmjopen.bmj.com/content/14/3/e079071.full |