An Event-Level Analysis of Condom Use During Anal Intercourse among Self-Reported HIV-Negative Gay and Bisexual Men

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What is the importance of this study? ¥ Across Canada, gay, bisexual and other men who have sex with men (GBM) accounted for over half of the new cases of HIV in 2014. ¥ New medical innovations may unintentionally lead to less condom use. ¥ There are gaps in knowledge of how condom use may have changed recently for HIV-negative GBM.

Citation: Nathan J Lachowsky, Zach Tanner, Zishan Cui, Paul Sereda, Ashleigh Rich, Jody Jollimore, Julio SG Montaner, Robert S Hogg, David M Moore, & Eric A Roth. (2016). An Event-Level Analysis of Condom Use During Anal Intercourse Among Self-Reported Human Immunodeficiency Virus-Negative Gay and Bisexual Men in a Treatment as Prevention Environment. Sexually Transmitted Diseases, 43(12): 765-770.

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During the Canada Post strike announced September 25, 2025, the following measures will be undertaken to minimize service disruption to BC-CfE clients and providers.

  • The BC-CfE Laboratory has transitioned to private courier for delivery of outgoing reports and documents. Results required urgently can be faxed upon request. (Lab Contact Information: Phone 604-806-8775; FAX 604-806-9463)
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During the Canada Post strike, we recommend that documents be faxed or couriered to our sites, versus utilization of regular mail service

The BC-CfE Laboratory is streamlining reporting processes for certain tests in order to simplify distribution and record-keeping, and to ensure completeness of results. Beginning September 2, 2025, results for the ‘Resistance Analysis of HIV-1 Protease and Reverse Transcriptase’ (Protease-RT) and ‘HIV-1 Integrase Resistance Genotype’ tests will be combined into a single ‘HIV-1 Resistance Genotype Report’.
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