What is HIV?
HIV is the human immunodeficiency virus that causes AIDS. HIV infects human cells and uses the energy and nutrients provided by those cells to grow and reproduce.

What is AIDS?
AIDS (acquired immunodeficiency syndrome) is a disease in which the body's immune system breaks down and is unable to fight off certain infections. When a person is infected with HIV, the virus enters the body and lives and multiplies primarily in the white blood cells. These are the immune cells that normally protect us from disease.

How quickly do people infected with HIV develop AIDS?
Most people remain without obvious symptoms for 10 to 12 years and a few for much longer. As with most diseases, early medical care can help prolong a person's life.

How many people are affected by HIV/AIDS?
It is estimated that there are now over 40 million people living with HIV or AIDS worldwide. Most of them do not know they carry HIV and may be spreading the virus to others. Here in the U.S.,......

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Title: Hiv
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