HIV Positivity and Referral to Treatment Following Testing of Partners and Children of PLHIV Index Patients in Public Sector Facilities in South Africa.

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BackgroundThere is an imperative need for innovative interventions to identify people living with HIV and initiate them on antiretroviral therapy (ART). The objective of this study was to determine the feasibility of providing index partner/child testing of people living with HIV.MethodsWe trained 86 nurses and counsellors in 56 public health facilities in six high HIV burden Districts in 2017 to provide index partner/child testing (tracing and testing of partners/children of people living with HIV). We collected programmatic data including index partner/child HIV positivity by age, gender and location of testing. In sub-analyses, we evaluated factors associated with identifying HIV-positive partners and children in separate models using multivariable logistic regression.ResultsWe tested 16,033 partners and children of index patients between October 2017 and June 2018. Most of those tested were female (61%) and 20–39 years old (39%). Overall, 6.4% were 10–14 years old, 9.5% were 15–19 years; 8% were >50 years. HIV positivity was 38% (95% CI=36%−40%). In children ages 10–14, 13% were HIV-infected (95% CI=11%−14%). In subanalyses, HIV positivity in partners was associated with their increased age (adjusted odds ratio [aOR] for increase in 5-year age category=1.21; 95% CI=1.04, 1.42), female gender (aOR=1.38; 95% CI=1.04, 1.82) and bringing the partner in for HIV testing vs. referring the partner through the provider or recommending testing to the partner (aOR=1.94, 95% CI=1.43, 2.63), adjusting for location of testing. Almost all patients diagnosed (97%) were referred to ART.ConclusionProviding index partner/child testing was feasible and we identified a very high yield when testing partners/children of index patients. Index partner/child testing should be offered to all patients living with HIV to improve case finding.