HIV - Simple English Wikipedia, the free encyclopedia

# HIV

### From Simple English Wikipedia, the free encyclopedia

? Human immunodeficiency virus
Stylized rendering of a cross section of the human immunodeficiency virus
Scientific classification

Family: | Retroviridae
Genus: | Lentivirus

Species

- Human immunodeficiency virus 1
- Human immunodeficiency virus 2

Human immunodeficiency virus (HIV) is a retrovirus that infects the human immune system. It causes AIDS.

## [edit] How people get HIV

People can get HIV through many ways, including:

- Through the use of infected needles, syringes and razor blades
- Unprotected sexual contact
- Babies can get it from their mothers when they are born
- Breast feeding
- Coming in to contact with infected blood

## [edit] How common HIV is

Percentage of adults that are infected with HIV per country at the end of 2005

██ 15–50%

██ 5–15%

██ 1–5%

██ 0.5–1.0%

██ 0.1–0.5%

██ <0.1%

██ no data

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Categories: Sexually transmitted diseases | Viruses

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