The Office of Public Health and Science (OPHS) provides leadership to the nation on public health and science, and communicates on these subjects to the American people. OPHS is led by the Assistant Secretary for Health (ASH), whose chief interest is promoting, protecting, and improving the nation's health. This role encompasses responsibilities as senior advisor to the Secretary for public health and science and director of program offices housing a variety of essential public health activities. The offices in OPHS are: the Immediate Office of the ASH; the Office of the Surgeon General; the Office of HIV/AIDS Policy; the Office of Population Affairs (OPA); the Office of Disease Prevention and Health Promotion (ODPHP); the President's Council on Physical Fitness and Sports; the Office of Minority Health (OMH); the Office on Women's Health (OWH); the Office for Human Research Protections; the Office of Global Health Affairs (OGHA); the Office of Research Integrity; and the Office of Military Liaison and Veterans Affairs. In addition, the Director of the National Vaccine Program Office and the Regional Health Administrators report to the ASH.