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Observed negative vaccine effectiveness could be the canary in the coal mine for biases in observational COVID-19 studies
Since the emergence of the SARS-CoV-2 Omicron variant, multiple observational studies have reported negative vaccine effectiveness (VE) against infection, symptomatic infection, and even severity (hospitalization), potentially leading to an interpretation that vaccines were facilitating infection an...
Autores principales: | , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
The Author(s). Published by Elsevier Ltd on behalf of International Society for Infectious Diseases.
2023
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10040347/ https://www.ncbi.nlm.nih.gov/pubmed/36990200 http://dx.doi.org/10.1016/j.ijid.2023.03.022 |