Standard care will include the care that has been established by the Peruvian national guidelines for managing HIV and STIs. In EPT, MSM will be encouraged to pass along to their recent partners packets that contain informational brochures, reference cards, prophylactic medications, and condoms. In CPOS, MSM who are recognized by their peers as leaders will be trained to implement a community center that provides information, support, and empowerment to MSM, their friends, and their partners.