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Backgrounder: Men Who Have Sex with Men

Donor Screening: Men Who Have Sex with Men 

Why We Talk About This Screening Criterion

Key Facts

  • International standard
    Because the patterns, causes and effects of HIV differ by country, there is no international scientific consensus on an optimal deferral period for men who have sex with men. Some European countries have instituted lifetime bans on blood donations from men who have sex with men, while the United Kingdom and Australia have reduced their deferral periods to one year.
  • One-year deferral period
    Men who have sex with men account for the largest proportion of new HIV infections reported in Canada. A one-year deferral period, which was implemented in 2016, was chosen as a safe incremental step forward in updating our blood donation criteria based on the latest scientific evidence.
  • Blood testing
    We use antibody testing and nucleic acid amplification testing (NAT) to test blood for HIV. Introduced in 2001, NAT greatly reduces the length of time HIV can go undetected in a person infected with the virus. However, there is still an approximately nine day period shortly after infection when an individual may transmit HIV but the virus is not detected by our tests. That’s why we use screening questions before a donation is made as part of a multi-tiered safety system to protect patients.

Before the introduction of testing for human immunodeficiency virus (HIV) in the mid-1980s, thousands of Canadians were infected through tainted blood products. Being solely responsible for Canada’s blood supply at that time, the Canadian Red Cross Society introduced a donor eligibility criterion that excluded all men who have had sex with a man even once since 1977. This criterion was embedded into Health Canada regulations in 1992.

At Canadian Blood Services, we periodically review our donor eligibility criteria, including those related to men who have sex with men. In 2016, Health Canada approved Canadian Blood Services’ and Héma-Québec’s applications to reduce the men who have sex with men ineligibility period from five years to one year. In other words, as long as they meet all other donor eligibility criteria, a man is now eligible to donate blood if it has been at least one year since he last had sex with another man. These changes are important steps towards being as minimally restrictive as possible while also maintaining the safety of the blood supply.

This change in policy was made after extensive review of scientific and epidemiologic evidence. Equally important was the consultation with high-interest groups, including patient groups representing heavy users of blood and blood products as well as members of lesbian, gay, bisexual, trans and queer (LGBTQ) community groups.

Our Mission

Canadian Blood Services manages the national supply of blood, blood products and stem cells, and related services for all the provinces and territories (excluding Québec). We also lead an integrated, interprovincial system for organ donation and transplantation for all of Canada. Ensuring the safety of both donors and recipients is paramount at Canadian Blood Services. Through the testing of all donated blood and the adherence to strict donor eligibility criteria, including the deferral policy for men who have sex with men, we ensure that Canadians are not put at increased risk for infectious diseases that may be transmitted by blood transfusion, including HIV, hepatitis B and hepatitis C.

 

FOR MORE INFORMATION

To learn more about the eligibility criteria for men who have sex with men or about Canadian Blood Services’ practices and procedures, please contact:

Tel: 1-877-709-7773
Email: media@blood.ca