To evaluate the cost and cost-effectiveness of the intervention in preventing HIV infections. The trial consists of 4,200 participants in the United States. Here in Seattle we are looking for 725, HIV-negative, men who have sex with men. The participant cannot be in a mutually monogamous relationship for the last 2 years with a known HIV-negative partner. The trial will take three years from beginning to end.
All records are confidential.
Participants will be compensated for their time.