Gut microbiota is associated with persistence of longer-term BNT162b2 vaccine immunogenicity - Ng, Ho Yu; Liao, Yunshi; Cheung, Ching Lung; Zhang, Ruiqi; Chan, Kwok Hung; Seto, Wai-Kay; Leung, Wai K.; Hung, Ivan F. N.; Lam, Tommy T. Y.; Cheung, Ka Shing (Frontiers in Immunology, 2025)