Characteristics of lymphocyte subset alterations in COVID-19 patients with different levels of disease severity. - Dai, Wei; Zhong, Aifang; Qiao, Qinghua; Wu, Jian; Li, Weiwei; Wu, Qiuyue; Zhou, Hongjian; Qin, Shijie; Jiang, Weijun; Zhang, Jing; Xia, Xinyi (Virology Journal, 2022)