This page is maintained by the National Academies Office of News and Public Information Molly Galvin senior online producer Megan O'Neill online producer Craig Hicks Internet editor Tom Roberts Associate Internet editor Contact us by e-mail news@nas.edu		All About HIV/AIDS What is HIV? How does the virus cause AIDS? How can HIV transmission be prevented? The Centers for Disease Control and Prevention answers frequently asked questions. How does the immune system respond to a virus? See the mumps virus at work and learn why the AIDS virus is so devastating. A slide series vividly illustrates how HIV-1 invades a healthy cell. [Return to Getting More from HIV Prevention] The Institute of Medicine is not responsible for content on other sites