Wang Wei, Associate Chief Physician Specializes in the diagnosis and treatment of pediatric infectious diseases, with extensive clinical experience in managing recurrent respiratory tract infections, pneumonia, asthma, Epstein-Barr virus infections, and bacterial and fungal infections. Currently serves as a member of the Shanghai Pediatric Infection Study Group, a member of the Chinese Anti-Tuberculosis Association and Tuberculosis Prevention and Control Committee, and a member of the Pediatric Branch of the China Optimal Health Association. Overseas training: Previously studied at Hong Kong's Queen Mary Hospital, focusing on the diagnosis and treatment of respiratory system diseases. Main research interests: Fever of unknown origin, diagnosis and treatment of infectious diseases, the relationship between infection and immunity, mechanisms of bacterial resistance, and complex respiratory system diseases. Wang Xihua, Associate Chief Physician Specializes in the diagnosis and treatment of pediatric infectious diseases, with extensive clinical experience in managing respiratory tract infections, febrile diseases, and common pediatric infectious diseases. Clinic hours: All day Thursday (morning: Associate Chief Physician General Pediatric Clinic; afternoon: Associate Chief Physician Infectious Disease Clinic); all day Saturday (morning: Infectious Disease Specialist Clinic; afternoon: Infectious Disease Specialty Clinic). Main research interests: Diagnosis and treatment of infectious diseases, respiratory tract infections, and intestinal infections.