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Progress toward HIV epidemic control in lesotho: results from a population-based survey.

Authors
  • Thin, Kyaw1
  • Frederix, Koen2
  • McCracken, Stephen3
  • Letsie, Mosilinyane1
  • Low, Andrea4
  • Patel, Hetal3
  • Parekh, Bharat3
  • Motsoane, Tsietso1
  • Ahmed, Nahima4
  • Justman, Jessica4
  • Callaghan, Larkin4
  • Tembo, Susan5
  • Schwitters, Amee6
  • 1 Lesotho Ministry of Health, Maseru, Lesotho. , (Lesotho)
  • 2 ICAP at Columbia University in Lesotho, Maseru, Lesotho. , (Lesotho)
  • 3 Centers for Disease Control and Prevention, Atlanta, USA.
  • 4 ICAP at Columbia University, New York, USA.
  • 5 World Health Organization in Lesotho, Maseru, Lesotho. , (Lesotho)
  • 6 Centers for Disease Control and Prevention in Lesotho, Maseru, Lesotho. , (Lesotho)
Type
Published Article
Journal
AIDS (London, England)
Publication Date
Aug 22, 2019
Identifiers
DOI: 10.1097/QAD.0000000000002351
PMID: 31449093
Source
Medline
Language
English
License
Unknown

Abstract

The Lesotho Population-based HIV Impact Assessment (LePHIA) survey was conducted nationally and designed to measure HIV prevalence, incidence, and viral load suppression (VLS). A nationally representative sample of 9,403 eligible households was surveyed between November 2016 and May 2017; analyses account for study design. Consenting participants provided blood samples, socio-demographic and behavioral information. Blood samples were tested using the national rapid HIV testing algorithm. HIV-seropositive results were confirmed with Geenius supplemental assay. Screening for detectable concentrations of antiretroviral (ARV) analytes was conducted on dried blood specimens from all HIV-positive adults using high-resolution liquid chromatography coupled with tandem mass spectrometry. Self-reported and/or ARV biomarker data were used to classify individuals as HIV-positive and on treatment. Viral load testing was performed on all HIV-positive samples at central labs. VLS was defined as HIV RNA < 1000 copies per mL. Overall, 25.6% of adults ages 15-59 were HIV-positive. Among seropositive adults, 81.0% (male: 76.6%, female: 84.0%) reported knowing their HIV status, 91.8% of people living with HIV (male: 91.6%, female: 92.0%) who reported knowing their status reporting taking ARVs, and 87.7% (male and female: 87.7%) of these had VLS. Younger age was significantly associated with being less likely to be aware of HIV status for both sexes. Findings from this population-based survey provide encouraging data in terms of HIV testing and treatment uptake and coverage. Specific attention to reaching youth to engage them in HIV-related intervention is critical to achieving epidemic control.

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