Surveillance of HIV and AIDS

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

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How many cases are there of HIV in Canada?

At the end of 2014, the estimated number of persons living with HIV in Canada was between 54,000 and 76,000.

It is estimated that 1 in every 5 Canadians infected with HIV has not been diagnosed.

How many cases are there of HIV around the world?

The World Health Organization's Global Health Observatory provides data on HIV and AIDS around the world. It estimates that 37 million people were living with HIV at the end of 2014.

How does Canada monitor 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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