Funding Information: This study was funded by Associação Portuguesa para o Estudo do Fígado, which supported the costs of the antibody titer analysis of every patient at each timepoint. Publisher Copyright: © 2023 The Author(s). Published by S. Karger AG, Basel.; Introduction: Three years after the beginning of the SARSCoV-2 pandemic, the safety and efficacy of COVID-19 vaccination in liver cirrhosis (LC) patie...