Thr NEW ENGLAND JOURNAL Of MEDICINE Huang. Ming Li in some hospitals medical resources w whelmed.Sixth,data generation was clinically han,月 n Xu.an Dong driven and not systematic. Covid-19 has spread rapidly since it was firs identified in Wuhan and has been shown to hav (the which has co Zeng.Xin He.Jingpe plicated the diagnosis e Wan-di g面 icle or the col staff memberswho are on the front line of caring for patien thors'full na Ph.D LD. Lan- Che M.D lie xia M.D.Li We MD (W.G. WangY,Li,et al.Clinical erisation and epidemiology of 2019 382727-3 12 N ENGLI MED NEIM ORO am时SOUTHEIN MEDICA从RR2 Noe12 n engl j med nejm.org The new england journal o f medicine many patients did not undergo sputum bacterio￾logic or fungal assessment on admission because, in some hospitals, medical resources were over￾whelmed. Sixth, data generation was clinically driven and not systematic. Covid-19 has spread rapidly since it was first identified in Wuhan and has been shown to have a wide spectrum of severity. Some patients with Covid-19 do not have fever or radiologic abnor￾malities on initial presentation, which has com￾plicated the diagnosis. Supported by the National Health Commission of China, the National Natural Science Foundation, and the Department of Science and Technology of Guangdong Province. Disclosure forms provided by the authors are available with the full text of this article at NEJM.org. We thank all the hospital staff members (see Supplementary Appendix for a full list of the staff) for their efforts in collecting the information that was used in this study; Zong-jiu Zhang, Ya-hui Jiao, Xin-qiang Gao, and Tao Wei (National Health Com￾mission), Yu-fei Duan and Zhi-ling Zhao (Health Commission of Guangdong Province), and Yi-min Li, Nuo-fu Zhang, Qing-hui Huang, Wen-xi Huang, and Ming Li (Guangzhou Institute of Re￾spiratory Health) for facilitating the collection of patients’ data; the statistical team members Zheng Chen, Dong Han, Li Li, Zhi￾ying Zhan, Jin-jian Chen, Li-jun Xu, and Xiao-han Xu (State Key Laboratory of Organ Failure Research, Department of Biostatis￾tics, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, and Southern Medical Uni￾versity, respectively); Li-qiang Wang, Wei-peng Cai, Zi-sheng Chen (the Sixth Affiliated Hospital of Guangzhou Medical University) and Chang-xing Ou, Xiao-min Peng, Si-ni Cui, Yuan Wang, Mou Zeng, Xin Hao, Qi-hua He, Jing-pei Li, Xu-kai Li, Wei Wang, Li￾min Ou, Ya-lei Zhang, Jing-wei Liu, Xin-guo Xiong, Wei-juna Shi, San-mei Yu, Run-dong Qin, Si-yang Yao, Bo-meng Zhang, Xiao￾hong Xie, Zhan-hong Xie, Wan-di Wang, Xiao-xian Zhang, Hui￾yin Xu, Zi-qing Zhou, Ying Jiang, Ni Liu, Jing-jing Yuan, Zheng Zhu, Jie-xia Zhang, Hong-hao Li, Wei-hua Huang, Lu-lin Wang, Jie-ying Li, Li-fen Gao, Cai-chen Li, Xue-wei Chen, Jia-bo Gao, Ming-shan Xue, Shou-xie Huang, Jia-man Tang, and Wei-li Gu (Guangzhou Institute of Respiratory Health) for their dedication to data entry and verification; Tencent (Internet-services com￾pany) for providing the number of hospitals certified to admit patients with Covid-19 throughout China; and all the patients who consented to donate their data for analysis and the medical staff members who are on the front line of caring for patients. Appendix The authors’ full names and academic degrees are as follows: Wei-jie Guan, Ph.D., Zheng-yi Ni, M.D., Yu Hu, M.D., Wen-hua Liang, Ph.D., Chun-quan Ou, Ph.D., Jian-xing He, M.D., Lei Liu, M.D., Hong Shan, M.D., Chun-liang Lei, M.D., David S.C. Hui, M.D., Bin Du, M.D., Lan-juan Li, M.D., Guang Zeng, M.Sc., Kwok-Yung Yuen, Ph.D., Ru-chong Chen, M.D., Chun-li Tang, M.D., Tao Wang, M.D., Ping-yan Chen, M.D., Jie Xiang, M.D., Shi-yue Li, M.D., Jin-lin Wang, M.D., Zi-jing Liang, M.D., Yi-xiang Peng, M.D., Li Wei, M.D., Yong Liu, M.D., Ya-hua Hu, M.D., Peng Peng, M.D., Jian-ming Wang, M.D., Ji-yang Liu, M.D., Zhong Chen, M.D., Gang Li, M.D., Zhi-jian Zheng, M.D., Shao-qin Qiu, M.D., Jie Luo, M.D., Chang-jiang Ye, M.D., Shao-yong Zhu, M.D., and Nan-shan Zhong, M.D. The authors’ affiliations are as follows: the State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respi￾ratory Disease, Guangzhou Institute of Respiratory Health, First Affiliated Hospital of Guangzhou Medical University (W.G., W.L., J.H., R.C., C.T., T.W., S.L., Jin-lin Wang, N.Z., J.H., W.L.), the Departments of Thoracic Oncology (W.L.), Thoracic Surgery and Oncology (J.H.), and Emergency Medicine (Z.L.), First Affiliated Hospital of Guangzhou Medical University, and Guangzhou Eighth People’s Hospital, Guangzhou Medical University (C.L.), and the State Key Laboratory of Organ Failure Research, Department of Biostatistics, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University (C.O., P.C.), Guangzhou, Wuhan Jinyintan Hospital (Z.N., J.X.), Union Hospital, Tongji Medical College, Huazhong University of Science and Tech￾nology (Yu Hu), the Central Hospital of Wuhan (Y.P.), Wuhan No. 1 Hospital, Wuhan Hospital of Traditional Chinese and Western Medicine (L.W.), Wuhan Pulmonary Hospital (P.P.), Tianyou Hospital Affiliated to Wuhan University of Science and Technology (Jian￾ming Wang), and the People’s Hospital of Huangpi District (S.Z.), Wuhan, Shenzhen Third People’s Hospital and the Second Affiliated Hospital of Southern University of Science and Technology, National Clinical Research Center for Infectious Diseases (L. Liu), and the Department of Clinical Microbiology and Infection Control, University of Hong Kong–Shenzhen Hospital (K.-Y.Y.), Shenzhen, the Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai (H.S.), the Department of Medicine and Therapeutics, Chinese University of Hong Kong, Shatin (D.S.C.H.), and the Department of Microbiology and the Carol Yu Center for Infection, Li Ka Shing Faculty of Medicine, University of Hong Kong, Pok Fu Lam (K.-Y.Y.), Hong Kong, Medical ICU, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences (B.D.), and the Chinese Center for Disease Control and Prevention (G.Z.), Beijing, the State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou (L. Li), Chengdu Public Health Clinical Medical Center, Chengdu (Y.L.), Huangshi Central Hospital of Edong Healthcare Group, Affiliated Hospital of Hubei Polytechnic University, Huangshi (Ya-hua Hu), the First Hospital of Changsha, Changsha (J. Liu), the Third People’s Hospital of Hainan Province, Sanya (Z.C.), Huanggang Central Hospital, Huanggang (G.L.), Wenling First People’s Hospital, Wenling (Z.Z.), the Third People’s Hospital of Yichang, Yichang (S.Q.), Affiliated Taihe Hospital of Hubei University of Medicine, Shiyan (J. Luo), and Xiantao First People’s Hospital, Xiantao (C.Y.) — all in China. References 1. Huang C, Wang Y, Li X, et al. Clinical features of patients infected with 2019 novel coronavirus in Wuhan, China. Lan￾cet 2020;395:497-506. 2. Lu R, Zhao X, Li J, et al. Genomic characterisation and epidemiology of 2019 novel coronavirus: implications for virus origins and receptor binding. Lancet 2020; 395:565-74. 3. Zhu N, Zhang D, Wang W, et al. A novel coronavirus from patients with pneu￾monia in China, 2019. N Engl J Med 2020; 382:727-33. 4. Chan JF, Yuan S, Kok KH, et al. A famil￾ial cluster of pneumonia associated with The New England Journal of Medicine Downloaded from nejm.org at SOUTHERN MEDICAL UNIVERSITY on March 6, 2020. For personal use only. No other uses without permission. Copyright © 2020 Massachusetts Medical Society. All rights reserved