using the internet for partner notification of sexually transmitted diseases--los angeles county, california, 2003. | an estimated one third of internet visits by persons aged > or =18 years are to sexually oriented websites, chat rooms, and news groups that enable users to view sexual images or participate in online discussions of a sexual nature. although so-called "virtual sex" carries no risk for transmission of sexually transmitted diseases (stds), including human immunodeficiency virus (hiv), use of the internet to find partners for actual sexual activity does carry such risk. during 2001-2003, of 759 men ... | 2004 | 14981362 |