From Geneva -- The joint UN programme on HIV/AIDS is reporting that it overestimated the number of people infected with HIV. The agency estimates that 33 million people worldwide are infected, down more than 16% from an estimate made last year. New data also revealed that the number of new infections per year have been dropping since the late ...

Homo sapiens history is millions of years. Then why we do not have contagious disease from millions of years ago. All the harshest contagious disease happened in couple decades. And they likely to stay in our specie's gene pool. such as HIV. How come it did not exist from millions of years ago? If it’s transmitted from monkey. We ...

Researchers at Stanford University have used carbon nanotubes to transport RNA into human white blood cells, making the cells less susceptible to HIV attack....