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What Are HIV and AIDS?
What Is HIV?
HIV (human immunodeficiency virus) is a virus that attacks cells that help the body fight infection, making a person more vulnerable to other infections and diseases. It is spread by contact with certain bodily fluids of a person with HIV, most commonly during unprotected sex (sex without a condom or HIV medicine to prevent or treat HIV), or through sharing injection drug equipment.
If left untreated, HIV can lead to the disease AIDS (acquired immunodeficiency syndrome).
What Is AIDS?
AIDS is the late stage of HIV infection that occurs when the body’s immune system is badly damaged because of the virus.
In the U.S., most people with HIV do not develop AIDS because taking HIV medicine as prescribed stops the progression of the disease.
A person with HIV is considered to have progressed to AIDS when:
https://www.hiv.gov/hiv-basics/overview/about-hiv-and-aids/what-are-hiv-and-aids
