Associate Chief Physician and Associate Professor. Specializes in the diagnosis and therapy of infectious diseases (upper respiratory tract infection, pneumonia, liver abscess, abdominal infection, infective endocarditis, osteomyelitis, urinary system infection, blood stream infection), fever of unknown origin, hepatitis, AIDS, syphilis, tuberculosis and other aspects, especially in tumor patients and adolescents with fever. Dr. Guo started working in clinical practice in 2004, obtained a Medical Doctorate (MD) in 2015, and served as a visiting scholar at Yale University in the United States from 2017 to 2018. Has accumulated rich clinical experience in the diagnosis and treatment of fever of unknown origin, difficult and severe infections, AIDS, and common infectious diseases.