Article

Prior infections and effectiveness of SARS-CoV-2 vaccine in test-negative study: A systematic review and meta-analysis

2022-11-04

Abstract excerpt

<h4>ABSTRACT</h4> <h4>Background</h4> Prior infection with SARS-CoV-2 can provide protection against infection and severe COVID-19. In settings with high pre-existing immunity, vaccine effectiveness (VE) should decrease with higher levels of immunity among unvaccinated individuals. Here, we conducted a systematic review and meta-analysis to understand the influence of prior infection on VE. <h4>Methods</h4> We inc...

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Literature Corpus work: 511f49fd-4010-53b5-91d3-f45e4884f07d
DOI: 10.1101/2022.11.03.22281925

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