Risk factors affecting COVID-19 vaccine effectiveness identified from 290 cross-country observational studies until February 2022: a meta-analysis and meta-regression
Abstract Background Observational studies made it possible to assess the impact of risk factors on the long-term effectiveness of mRNA and adenoviral vector (AdV) vaccines against COVID-19. Methods A computerized literature search was undertaken using the MEDLINE, EMBASE, and MedRxiv databases to id...
Main Authors: | , , , , , , , , , , , |
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Format: | Article |
Language: | English |
Published: |
BMC
2022-11-01
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Series: | BMC Medicine |
Subjects: | |
Online Access: | https://doi.org/10.1186/s12916-022-02663-z |