Differential immune profiles in elderly patients with non-severe versus severe SARS-CoV-2 omicron variant infection: dysregulation of antibody responses and B-cell subsets. - Li, Xue; Li, Yuanyuan; Liu, Shiyang; Zhou, Juanjuan; Yang, Xinxin; Yang, Junlian; Xu, Wen; Chen, Weiwei (Immunity & Ageing, 2025)