The current review re-conceptualizes seek and test strategies, particularly given the changing importance of HIV testing as care continuum entry for persons irrespective of their HIV status. Care continuum entry advances previous seek and test strategies for client engagement with two next-generation functions: use of testing to engage (or re-engage) HIV negative clients in preexposure prophylaxis (PrEP) care; and testing individuals who may already be known positives for care continuum re-entry. We review existing seek and test strategies for most impacted community members with a goal of optimizing care continuum entry as we move towards HIV transmission elimination. These strategies are context, sub-group, community and epidemic-specific. This review is timely, given the initiation of routine PrEP care, which shifts and broadens our conceptualization of care continuum entry triggered by the HIV testing event. In addition, as the epidemic becomes more concentrated, focusing on re-engagement of HIV-infected persons becomes increasingly important given that transmission events involve both those acutely and newly infected as well as the large numbers who may not be virally suppressed. We start with examination of routine testing in healthcare settings, emphasizing its potential role in re-engagement for persons out of care. Subsequently, we describe risk-based testing to identify key populations. We then review network-based approaches and their impact on the epidemic. We close with future directions for individual and combination care continuum entry strategies most relevant to elimination of HIV transmission in the United States.
AIDS – Wolters Kluwer Health
Published: Feb 20, 2018
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