See more: Health Sexual health HIV and AIDS Get care, testing and help for HIV and AIDS. Also reports, research and data on HIV and AIDS in SF. Services Get help Get PrEP Find out how you can start on PrEP, a pill to help keep you HIV-negative. STD testing and care Get sexual health services and information. Delivering high-quality care for over 100 years. Departments Department of Public Health We protect and promote the health of all San Franciscans.