Surveillance of HIV and AIDS

Learn how the human immunodeficiency virus (HIV) and acquired immune deficiency syndrome (AIDS) are monitored in Canada.

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People living with HIV in Canada

At the end of 2016, the estimated number of persons living with HIV in Canada was 63 110 (plausible range 55,500 – 70,720). 

It is estimated that 1 in every 7 Canadians infected with HIV has not been diagnosed and is unaware of their infection. 

In the same year, an estimated 2,165 new HIV infections occurred in Canada (plausible range between 1,200 – 3,150).

People living with HIV around the world

The World Health Organization's Global Health Observatory provides data on HIV and AIDS around the world. It estimates that about 37 million people were living with HIV at the end of 2016.

National surveillance of HIV and AIDS

AIDS and HIV are both nationally notifiable diseases. The national notification system is voluntary and receives cases reported through provincial or territorial departments of health.

Provinces and territories have provincial or territorial legislation for the reporting of priority infectious diseases within their jurisdictions. Provinces and territories include mandatory reporting of HIV. However, not all provinces and territories include mandatory reporting of AIDS.

The provinces and territories report cases to the federal government if they meet the national case definition for:

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