July 25, 2012 More than half a million South Africans were infected with HIV in 2000. Efforts to stem the virus since then have produced marked results in the number of new infections. But the total number of people with HIV in South Africa still isn't going down.
July 23, 2012 A new approach in San Francisco provides HIV testing and treatment for patients with the virus who didn't know they were at risk. "Test and treat" requires long-term vigilance by doctors and patients, but early evidence suggests that it is reducing HIV in the city.