HIV and AIDS

Learn about the human immunodeficiency virus (HIV) and the illness that it causes called acquired immune deficiency syndrome (AIDS).

Services and information

Causes

Explore HIV, the virus that causes AIDS, and how it is spread.

Symptoms

Learn about the symptoms, what to look for and what to do if you become ill.

Risks

Find out what the risks are and who is most at risk.

Treatment

Access information on how HIV and AIDS are diagnosed and treated.

Prevention

Learn how HIV and AIDS can be prevented.

Surveillance

Discover how the disease is monitored.

For health professionals

Get detailed information on HIV and AIDS for health professionals.

What we are doing

Features

Sexual health

Find information on preventing, managing and treating sexually transmitted infections.

HIV in Canada

An estimated 1 in 5 people living with HIV in Canada are unaware of their HIV infection.

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