Great fanfare accompanied the results of several large studies in recent years anti-HIV pill a day can keep the virus far. The interim guidelines of the Centers for Disease and Prevention supported the approach known as pre-exposure prophylaxis (PrEP) for individuals at high risk of being infected, and the US Food and Drug Administration also approved the strategy in 2012. But PrEP has not had much traction with young gays men, one of the highest risk groups in the US and elsewhere. And the number of new infections per year in the US has remained stubbornly at around 50,000 people for more than a decade. 
now, the public health service of the United States released clinical guidelines finalized it hopes to carry out more widespread use of PrEP, many of the same so many take statins to reduce the risk of heart disease. The guidelines recommend daily use of the drug Truvada, which combines two antiretroviral-for sexually active men who have sex with men, heterosexual "at high risk" of infection "(including those with an infected partner HIV), and people who inject drugs. Although daily doses of Truvada costs about $ 13,000 per year, insurance plans generally cover the expense. the company that makes Truvada, Gilead Sciences Inc. of Foster City , California, also help the uninsured.
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