Pro. Zhang is the head of the center of infectious diseases, Huashan Hospital of Fudan Univerisity, China. He has been engaging in clinical practice and research on infectious diseases. He graduated from Shanghai Medical University and accepted the post-doc training in Beth Israel Deaconess Medical Center, affiliated to Harvard Medical School. Currently, he is the chair of the Society of Infectious Diseases of China Medical Association in Shanghai, and also the chair of the Association of Infectious Diseases Doctors of Shanghai. His research work focuses on the pathogenesis, diagnosis and treatment of viral hepatitis, tuberculosis, bacterial infections and other infectious diseases. He has led a number of the multi-center registered clinical trial involved in the area of MDR-TB tuberculosis, latent tuberculosis, sepsis and drug-resistant bacterial infections. Up to now, he has published over 130 international papers as first author and corresponding author.