Third dose of BNT162b2 improves immune response in liver transplant recipients to ancestral strain but not Omicron BA.1 and XBB. - Chang ZW; Goh YS; Rouers A; Fong SW; Tay MZ; Chavatte JM; Hor PX; Loh CY; Huang Y; Tan YJ; Neo V; Kam IKJ; et al. (Frontiers in immunology, 2023)