1887

n South African Medical Journal - Tracking antenatal HIV prevalence in South Africa : correspondence

Volume 105, Issue 5
  • ISSN : 0256-9574
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Abstract

To the Editor: South Africa (SA) has been conducting annual cross-sectional anonymous unlinked antenatal HIV seroprevalence surveys in sentinel sites (ANCHSS) for more than 20 years. These sites are randomly selected using probability proportional to size sampling (PPS) methods as this combines a random approach with a bias towards larger clinics, resulting in a self-weighted sample. First-time antenatal attendees are enrolled into the ANCHSS, and blood for unlinked anonymous antenatal HIV testing (UAT) is drawn at the same time as first antenatal booking bloods.

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/content/m_samj/105/5/EJC170470
2015-05-01
2016-12-10

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