1. Department of Respiratory and Critical Care Medicine, Fujian Provicial Hospital, Fujian Provincial Medical College, Fujian Medical University, Fuzhou 350001, China
2. Department of Viral Diseases, Fujian Center for Disease Control and Prevention, Fuzhou 350001, China
3. Shanghai Tellgen Life Science Co. Ltd, Shanghai 201203,China
4. Clinical Microbiology Laboratory, Fujian Provincial Hospital, Fuzhou 350001, China