HIV is spread by bodily fluids such as blood, breast milk or semen. It gradually weakens the body’s immune system and makes it vulnerable to disease, including ones rarely seen in otherwise healthy ...

At this point, the virus has infected and killed so many immune cells that the immune system is severely impaired. AIDS does not occur ... This article takes a closer look at how HIV causes ...

AIDS researchers continue to make progress in battling HIV, addressing the fight with a variety of new and promising approaches...but this NOVA Hot Science isn't about the fight against the AIDS ...

Does it seem like ... AIDS stands for Acquired Immunodeficiency Syndrome. AIDS is a group of diseases that damage the immune system. People with AIDS get infections that normal immune systems ward off ...