Rally "Zelenodolsk-Nurlat-Chistopol-Kazan", organized by Republican AIDS Center together with ROO "Prevention and initiative" in the framework of the all-Russian Campaign "STOP HIV/AIDS", has started on May, 13. 199 people (40 in Zelenodolsk, 76 in Nurlat and 83 in Chistopol) have already been tested during the entire route of the rally.