Yuying Wang1, Wei Lan2, Wei Yang1, Yan Jiang3, Yan Qi4. 1. Medical Laboratory Center, Hangzhou Hospital of Traditional Chinese Medicine, Hangzhou, Zhejiang, China. 2. Department of Infectious Diseases, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China; Key Laboratory of Microbial Technology and Bioinformatics of Zhejiang Province, Hangzhou, Zhejiang, China; Regional Medical Center for National Institute of Respiratory Diseases, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China. 3. Department of Infectious Diseases, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China; Key Laboratory of Microbial Technology and Bioinformatics of Zhejiang Province, Hangzhou, Zhejiang, China; Regional Medical Center for National Institute of Respiratory Diseases, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China. Electronic address: jiangy@zju.edu.cn. 4. Medical Laboratory Center, Hangzhou Hospital of Traditional Chinese Medicine, Hangzhou, Zhejiang, China. Electronic address: yanqiyan1978@163.com.