If you are having sex with more than one partner, it is recommended you should get tested for HIV and all STIs (sexually transmitted infections) every 3 months. The clinics shown interactively on the map below offer anonymous and free testing for HIV. Only CheckPoint Sofia offers anonymous and free HIV and hepatitis B and C testing. It is the only clinic in Bulgaria which offers testing outside standard business hours, from 12:00 to 20:00 (break between 16:00 and 16:30), on S