Chao Wu is the Chief Physician of Department of Infectious Diseases of Nanjing Drum Tower Hospital, Nanjing University Medical School. He is also the Professor and Ph.D Adviser of Nanjing University Medical School, Nanjing Medical University and Nanjing University of Chinese Medicine. He obtained his MD and Ph.D from Nanjing Medical University. Over the last 31 years, he has focused his clinical and scientific interests on infectious diseases. In clinic practice, he has extensive clinical experience in treating all kinds of infectious diseases, such as hepatitis B and C. In experimental study, his research interests are the immune mechanisms of hepatitis B and the mechanisms of bacterial resistance. Prof. Wu has been a Principal Investigator of many national grants and published over 80 scientific papers and 3 book chapters.