Likelihood of HIV and recent bacterial sexually transmitted infections among transgender and non-binary individuals in 20 European countries, October 2023 to April 2024

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BackgroundGlobal data highlight the disproportionate burden of HIV and sexually transmitted infections (STIs) among transgender individuals. However, scant data exist for both transgender and non-binary individuals in European HIV/STI surveillance.AimTo assess self-reported prevalence of HIV and bacterial STIs (syphilis, gonorrhoea, chlamydia) in the past 6 months among transgender and non-binary individuals, comparing the likelihoods of recent STIs between groups.MethodsUsing data from the cross-sectional PROTECT survey conducted in 20 European countries from October 2023 to April 2024, we analysed a subset of 452 participants, 178 transgender and 274 non-binary individuals. Logistic regression was used to compare the risk of each recent bacterial STI, and Poisson regression to compare the risk of the number of recent STIs.ResultsAmong transgender individuals, 5 (2.8%) self-reported HIV infection, and recent STI prevalence was 6.7% for syphilis, 15.6% for gonorrhoea and 19.6% for chlamydia. For non-binary individuals, 15 (5.5%) self-reported HIV infection and recent STI prevalence was 15.0% for syphilis, 18.7% for gonorrhoea and 20.8% for chlamydia. Non-binary individuals had significantly higher risk for syphilis (aOR: 1.81; 95% CI: 1.01-4.05) and multiple recent STIs (aOR: 1.46; 95% CI: 1.11-1.91) compared with transgender individuals.ConclusionWhile both transgender and non-binary individuals showed high self-reported prevalence of HIV and bacterial STIs, non-binary individuals showed greater prevalence of STIs, particularly syphilis. Efforts aimed at HIV/STI prevention and surveillance should encourage inclusion of those who identify as non-binary and other gender-diverse individuals alongside transgender individuals to enhance the provision of tailored prevention and treatment services in Europe.

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