Two weeks from today, Johnson County Public Health will be hosting a free STI testing clinic at our office on 5th floor. Walk-i... Two weeks from today, Johnson County Public Health will be hosting a free STI testing clinic at our office on 5th floor. Walk-i... Wednesday, November 29, 2023 0 713 Two weeks from today, Johnson County Public Health will be hosting a free STI testing clinic at our office on 5th floor. Walk-ins will be accepted, or you can call the number below to schedule an appointment.