Objective
The objective of this study is to examine the extent to which the knowledge, attitudes and practices of commercial sex workers SWs and men who have sex with men (MSM) have changed since the initiation of the Pan American Social Marketing Organization’s (PASMO) HIV/AIDS prevention campaign in 1997. PASMO lunched VIVE condoms in April 1998, started mass media campaigns in August 1999 and in January 2000, initiated inter-personal behavior change activities working with partner NGOs
