(Francisco Kjolseth | The Salt Lake Tribune) A clinic at the Salt Lake Public Health Center, 610 S. 200 East, Salt Lake City, provides testing for sexually transmitted infections and treatment to patients age 14 and older, and parental permission is not required. Patients can walk in from Monday to Friday from 8:30 a.m. to 4 p.m., or can make an appointment by calling 385-468-4242.