The Snohomish County Health Clinic is open! The clinic offers testing, treatment, and other supports to reduce the spread of sexually transmitted infections in Snohomish County. We are committed to a safe, welcoming environment that provides low-barrier access to care. The only way to know if you have an STI is to get tested. If you have a doctor, ask about STI testing and treatment options. If not, contact the Snohomish County Health Department Public Health Clinic for low-cost STI testing options.