i walked up to the redline and was greeted with a warm welcome i'm chad redden and anna client of citynce all the way back to 1911. at that time, the clinic was founded to provide std diagnosis treatment for sex workers. there's been a big increase in std rates after the earthquake and the fire a lot of people were homeless and there were more sex work and were homeless sex workers. there were some public health experts who are pretty progressive for their time thought that by providing std diagnosis and treatmentsex workers that we might be able to get a handle on std rates in san francisco. >> when you're at the clinic you're going to wait with whoever else is able to register at the front desk first. after you register your seat in the waiting room and wait to be seen. after you are called you come to the back and meet with a healthcare provider can we determine what kind of testing to do, what samples to collect what medication somebody might need. plus prophylactics is an hiv prevention method highly effective it involves folks taking a daily pill to prevent hiv. recommended both