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Testing everyone for HIV and then giving them early treatment could theoretically eliminate the epidemic in South Africa. A mathematical model of this "test and treat" strategy suggest that it might be more expensive and take significantly longer than previously predicted.
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A vaginal ring that releases a drug against HIV shows promise in an animal study as a way to prevent infections. The results bolster hopes that an ongoing clinical trial of a similar ring in people will prove to be successful.
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Over the past two decades, circumcision rates in the U.S. have fallen to 55 percent from a peak of about 79 percent. A new analysis from Johns Hopkins researchers suggests the decline will add to health care costs.
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Some states, like Georgia, have a waiting list for people who need help paying for AIDS drugs. With increased federal funding on its way for HIV/AIDS treatment, states are hoping that they can care for more people. But the cost of care remains high, so the waits may remain, too.
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Many people living with HIV in the U.S. struggle to remain eligible for public assistance programs that pay for medication. For some that means avoiding full-time jobs or refusing pay raises so they can get coverage for the expensive drugs.
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Despite having one of the lowest HIV rates in Europe, Greece's recent jump in the number of infections, particularly among injecting drug users, is alarming. Health workers blame cuts in health and social services, including the end of what had been a successful needle exchange program.
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Some parts of the province of KwaZulu-Natal in South Africa have HIV rates that are more than twice the national average. And clinics in the region are seeing another major problem: thousands of cases yearly of multi-drug-resistant TB.
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When Russian officials downplayed shortages of HIV drugs, activists turned to the Web to raise awareness about the problem. Since 2004, the AIDS epidemic has worsened in Russia, despite a law that requires drug treatment people with HIV.
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Photographer David Binder has been telling the stories of people with AIDS for 25 years. Binder's photographs of Gail Farrow, who contracted AIDS from a blood transfusion, and her family shattered prevailing perceptions of the epidemic. His documentary on her struggle was screened this week in Washington.
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Right now about 8 million people around the world are getting treated for HIV at a cost of about $17 billion a year. Universal treatment would cost another $22 billion. One proposal on funding: a tax on beer and cigarettes.