Long-Term COVID-19 Booster Effectiveness by Infection History and Clinical Vulnerability and Immune Imprinting: A Retrospective Population-Based Cohort Study
The Lancet Infectious Diseases This article aims to investigate the effectiveness of a booster (third dose) vaccination against severe, critical, or fatal COVID-19, relative to that of primary-series (two-dose) vaccination over a follow-up duration of 1 year among patients in Qatar. Journal Article
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