Impact of early and delayed azvudine administration on COVID-19 mortality: a retrospective study

L Luo Wang (College of Smart Materials and Future Energy, State Key Laboratory of Molecular Engineering of Polymers) Y Yaqi Wang (College of Energy Materials and Chemistry) Y Yan Xu J Junping Fan S Siqi Pan H Huaiya Xie T Ting Zhang R Ruxuan Chen X Xiaoyan Liu C Chuan Shi (Department of Chemistry, Case Western Reserve University) Q Qing Zhou Y Yuequan Shi C Chongsheng Cheng L Lu Dai H Haoran Zhang (Beijing National Laboratory for Molecular Sciences, Key Laboratory of Polymer Chemistry and Physics of Ministry of Education, Center for Soft Matter Science and Engineering, College of Chemistry and Molecular Engineering) A Aohua Wu X Xueqi Liu H Hong Zhang J Jinglan Wang B Bin Du J Jihai Liu H Huadong Zhu X Xiaojun Ma J Jing Huang X Xinlun Tian M Mengzhao Wang (Peking Union Medical College Hospital, Beijing) S Shuyang Zhang (Institute of Molecular Medicine, Shanghai Key Laboratory for Nucleic Acid Chemistry and Nanomedicine)