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Objectives: We provide the first estimate of HIV prevalence among trans and gender‐diverse people living in England and compare outcomes of people living with HIV according to gender identity. Methods: We analysed a comprehensive national HIV cohort and a nationally representative self‐reported survey of people accessing HIV care in England (Positive Voices). Gender identity was recorded using a two‐step question co‐designed with community members and civil society. Responses were validated by clinic follow‐up and/or self‐report. Population estimates were obtained from national government offices. Results: In 2017, HIV prevalence among trans and gender‐diverse people was estimated at 0.46–4.78 per 1000, compared with 1.7 (95% credible interval: 1.6–1.7) in the general population. Of 94 885 people living with diagnosed HIV in England, 178 (0.19%) identified as trans or gender‐diverse. Compared with cisgender people, trans and gender‐diverse people were more likely to be London residents (57% vs. 43%), younger (median age 42 vs. 46 years), of white ethnicity (61% vs. 52%), under psychiatric care (11% vs. 4%), to report problems with self‐care (37% vs. 13%), and to have been refused or delayed healthcare (23% vs. 11%). Antiretroviral uptake and viral suppression were high in both groups. Conclusions: HIV prevalence among trans and gender‐diverse people living in England is relatively low compared with international estimates. Furthermore, no inequalities were observed with regard to HIV care. Nevertheless, trans and gender‐diverse people with HIV report poorer mental health and higher levels of discrimination compared with cisgender people. [ABSTRACT FROM AUTHOR]

Objectives: Late HIV diagnosis (CD4 <350 cells/mm 3 ) is a key public health metric. In an era of more frequent testing, the likelihood of HIV diagnosis occurring during seroconversion, when CD4 counts may dip below 350, is greater. We applied a correction, considering markers of recent infection, and re-assessed 1-year mortality following late diagnosis., Methods: We used national epidemiological and laboratory surveillance data from all people diagnosed with HIV in England, Wales, and Northern Ireland (EW&NI). Those with a baseline CD4 <350 were reclassified as 'not late' if they had evidence of recent infection (recency test and/or negative test within 24 months). A correction factor (CF) was the number reclassified divided by the number with a CD4 <350., Results: Of the 32 227 people diagnosed with HIV in EW&NI between 2011 and 2019 with a baseline CD4 (81% of total), 46% had a CD4 <350 (uncorrected late diagnosis rate): 34% of gay and bisexual men (GBM), 65% of heterosexual men, and 56% of heterosexual women. Accounting for recency test and/or prior negative tests gave a 'corrected' late diagnosis rate of 39% and corresponding CF of 14%. The CF increased from 10% to 18% during 2011-2015, then plateaued, and was larger among GBM (25%) than heterosexual men and women (6% and 7%, respectively). One-year mortality among people diagnosed late was 329 per 10 000 after reclassification (an increase from 288/10 000)., Conclusions: The case-surveillance definition of late diagnosis increasingly overestimates late presentation, the extent of which differs by key populations. Adjustment of late diagnosis is recommended, particularly for frequent testers such as GBM., (© 2022 The Authors. HIV Medicine published by John Wiley & Sons Ltd on behalf of British HIV Association.)