Cmaj Podcasts

Despite a range of effective prevention tools, HIV incidence continues to rise in Canada, with stark disparities across ethnicity, gender, Indigeneity and geography. Updated Canadian guidelines on HIV pre- and post-exposure prophylaxis reflect scientific advances since 2017 and address both new formulations and persistent barriers to equitable access.Dr. Darrell Tan, lead author and clinician scientist at St. Michael’s Hospital, outlines several prophylaxis options now available. Daily oral tenofovir disoproxil fumarate with emtricitabine is close to 100 per cent effective with perfect adherence and remains forgiving of occasional missed doses. Long-acting injectable cabotegravir, administered every two months, shows even greater effectiveness in trials largely because it reduces the adherence challenges associated with daily pills, though cost and availability continue to limit uptake.Natasha Lawrence, a community health worker at Women’s Health in Women’s Hands Community Health Centre in Toronto, reports th