ArticleJournal of the International AIDS Society2023
A population-level application of a method for estimating the timing of HIV acquisition among migrants to Australia.
Article in Journal of the International AIDS Society, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Experiences of Living with HIV, Stigma, and Healthcare Access in Australia among People Born in China, Thailand, and Latin America Compared to People Born in Australia.Journal of racial and ethnic health disparities · 2026Article
- Applying population-specific incidence prevalence ratio benchmarks to monitor the Australian HIV epidemic: an epidemiological analysis.Journal of the International AIDS Society · 2024Article
- Low HIV drug resistance prevalence among recently diagnosed HIV-positive men who have sex with men in a setting of high PrEP use.Journal of the International AIDS Society · 2024Article
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Authors and funding
9 authors.
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Abstract
introductionAustralia has set the goal for the virtual elimination of HIV transmission by the end of 2022, yet accurate information is lacking on the level of HIV transmission occurring among residents. We developed a method for estimating the timing of HIV acquisition among migrants, relative to their arrival in Australia. We then applied this method to surveillance data from the Australian National HIV Registry with the aim of ascertaining the level of HIV transmission among migrants to Australia occurring before and after migration, and to inform appropriate local public health interventions.
methodsWe developed an algorithm incorporating CD4
resultsBetween 1 January 2016 and 31 December 2020, 1909 migrants were newly diagnosed with HIV in Australia, 85% were men, and the median age was 33 years. Using the enhanced algorithm, 932 (49%) were estimated to have acquired HIV after arrival in Australia, 629 (33%) before arrival (from overseas), 250 (13%) close to arrival and 98 (5%) were unable to be classified. Using the standard algorithm, 622 (33%) were estimated to have acquired HIV in Australia, 472 (25%) before arrival, 321 (17%) close to arrival and 494 (26%) were unable to be classified.
conclusionsUsing our algorithm, close to half of migrants diagnosed with HIV were estimated to have acquired HIV after arrival in Australia, highlighting the need for tailored culturally appropriate testing and prevention programmes to limit HIV transmission and achieve elimination targets. Our method reduced the proportion of HIV cases unable to be classified and can be adopted in other countries with similar HIV surveillance protocols, to inform epidemiology and elimination efforts.
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