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Approximately 1.2 million people in the U.S. are HIV positive. Approximately 50,000 new cases of HIV are diagnosed each year, and 20% to 25% of people with HIV infections are unaware of their status. Among men, 68% of new infections are contracted through male-to-male sexual contact, and 11% are contracted through heterosexual contact. Among women, 74% of infections are attributable to heterosexual contact, and the rest are attributable to intravenous (IV) drug use. The U.S. Preventive Services Task Force (USPSTF) has updated their 2005 recommendations on HIV screening. Highlights of the new recommendations include:
1. Risk categories:
Very high risk: men who have sex with men and current IV drug users.
High risk: people who engage in unprotec…