1.Infectious Diseases and emerging infections
2.Clinical Microbiology
3.Antimicrobial Drug Resistance
4.Molecular Epidemiology
5.Tuberculosis and nontuberculous mycobacterial diseases
6.Infection control
Graduated from Department of Medical Technology, College of Medicine (1977-1981) and Department of Post- Baccalaureate Medicine (1983-1988), National Taiwan University College of Medicine
Vice Dean, College of Medicine, China Medical University (CMU)
Professor, School of Medicine, College of Medicine, CMU
Superintendent, Center of Laboratory Medicine, China Medical University Hospital (CMUH)
Director, Department of Laboratory Medicine, CMUH
Director, Ph.D. Program for aging, CMU
Visiting staff, Division of Infectious Diseases, Department of Internal Medicine, CMUH, Taichung, Taiwan
Adjunct Professor, Departments of Laboratory Medicine and Internal Medicine, National Taiwan University Hospital, National Taiwan University College of Medicine, Taiwan
Taiwan Country Ambassador, American Society for Microbiology