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Cause

The HIV infection is caused by the human immunodeficiency virus (HIV).

After HIV is in the body, it starts to destroy CD4+ cells, which are white blood cells that help the body fight infection and disease.

Recommended Related to HIV/AIDS

HIV and Pregnancy

HIV-positive women who are thinking about getting pregnant -- or already are pregnant -- have options that can help them stay healthy and protect their babies from becoming HIV-infected. Since the mid-1990s, HIV testing and preventive measures have resulted in more than a 90% decline in the number of children in the U.S. infected with HIV in the womb. And after three decades of research, doctors now understand how to craft a detailed plan to keep babies of HIV-positive women from getting the...

Read the HIV and Pregnancy article > >

HIV is spread when blood, semen, or vaginal fluids from an infected person enter another person's body, usually through sexual contact, from sharing needles when injecting drugs, or from mother to baby during birth.

WebMD Medical Reference from Healthwise

Last Updated: May 16, 2013
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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