New HIV drugs are changing the face of the epidemic, but defeating the virus remains a daunting public health challenge. What it will take to turn the tide on HIV and AIDS with Dr. Anthony Fauci, director at the National Institute of Allergy and Infectious Disease.
When other countries were struggling to deal with the HIV epidemic, Brazil openly acknowledged the problem and launched aggressive campaigns to raise awareness and treat the disease. But activists now say say there are no longer organized HIV prevention efforts.
This week an international Alzheimer's conference is taking place in Vancouver, with researchers presenting findings on ways to detect the disease and slow its progression. Audie Cornish speaks with Bloomberg News science reporter Elizabeth Lopatto about some of the studies presented.
Each year hundreds of thousands South Africans become infected with HIV, so it might seem that a drug to slow transmission would be welcome. But there's concern about unintended consequences if Truvada is used widely for prevention.
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