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Prevalence of and factors mediating HIV infection among sex workers in Lisbon, Portugal: the 5-year experience of a community organisation
  1. André Almeida1,2,
  2. Ana Brasileiro1,3,
  3. Joana Costa1,
  4. Mónica Eusébio4,
  5. Ricardo Fernandes1
  1. 1 Positivo Organisation, Lisbon, Portugal
  2. 2 Department of Medicine 4, Central Lisbon Hospital Centre, Lisbon, Portugal
  3. 3 Department of Dermatovenereology, Central Lisbon Hospital Centre, Lisbon, Portugal
  4. 4 Centro de Malária e Outras Doenças Tropicais, Instituto de Higiene e Medicina Tropical, Universidade Nova de Lisboa, Lisbon, Portugal
  1. Correspondence to Dr André Almeida, Serviço de Medicina 4, Hospital de Santa Marta, Rua de Santa Marta, 1169-124 Lisboa, Portugal; andre.almeida{at}

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Studies from Western European countries report that HIV prevalence varies widely among sex workers (SW), with figures generally indicating a higher burden of infection among male and transgender workers.1–3 However, large variations in sample sizes and sampling methods are reported, so caution should be taken when making direct comparisons between countries. Portuguese data are scarce and sourced mostly from behavioural surveys. A recent report in 2012 described a country prevalence of 8.9% among SW (7.9% and 13.5% for female and male workers, respectively), showing that Portugal has the highest prevalence in Western Europe and the sixth highest in Europe. …

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  • Contributors AA, AB and JC collected and analysed the data. ME was responsible for statistical programming. RF critically revised the manuscript and made valuable contributions. All authors were involved in research and in writing the manuscript. All authors agreed upon the final version.

  • Competing interests None.

  • Ethics approval The executive board of Positivo approved this study.

  • Provenance and peer review Not commissioned; internally peer reviewed.