HIV Care Continuum Interventions and Outcomes
Summary
The HIV care continuum encompasses a sequence of stages from prevention and diagnosis to sustained viral suppression. Interventions at each point seek to reduce barriers, optimise engagement and improve health outcomes. Early steps focus on prevention strategies, including pre-exposure prophylaxis and partner notification, to avert new infections. Following diagnosis, rapid linkage to specialised services is critical, supported by case-management, peer navigation and data-driven outreach. Retention in care and adherence to antiretroviral therapy underpin long-term viral suppression, which both enhances individual health and curbs onward transmission. Innovations span telehealth, mobile health tools, surveillance-based re-engagement and differentiated service delivery, with a growing emphasis on tailoring interventions to social and structural contexts such as housing insecurity and substance use. Outcome measures centre on rates of linkage, retention, antiretroviral uptake, adherence and durable viral load suppression. Collective evidence demonstrates that multimodal, patient-centred approaches, underpinned by robust data systems and stakeholder collaboration, yield the greatest gains in re-engaging people lost to follow-up, sustaining attendance and achieving population-level epidemic control.
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HIV Care Continuum Interventions and Outcomes publication trend
The graph below shows the total number of articles in hiv care continuum interventions and outcomes across all publications each year (not limited to Nature Index journals).
Technical terms
Cascade of care: Sequential stages from HIV testing through to sustained viral suppression used to monitor programme performance.
Linkage to care: The process and timing by which a person diagnosed with HIV is connected to specialised treatment services.
Retention in care: Continued attendance at scheduled medical appointments and ongoing engagement with HIV services.
Viral suppression: Reduction of HIV RNA in the blood to below detectable levels, indicating effective antiretroviral therapy.
Loss to follow-up (LTFU): Individuals who have disengaged from care and have no documented clinical contacts within a defined period.
Differentiated service delivery: Tailored care models that adjust intensity and mode of service to client needs and preferences.
References
- Interventions to reengage people living with HIV who are lost to follow-up from HIV treatment programs: A systematic review and meta-analysis. PLOS Medicine (2022).
- Client preferences for HIV Care Coordination Program features in New York City: latent class analysis of a discrete choice experiment. Journal of the International AIDS Society (2023).
- A Review of Implementation Strategies to Enhance PrEP Delivery for People Experiencing Housing Insecurity: Advancing a Multifaceted High-Touch, Low-Barrier Approach. Current HIV/AIDS Reports (2024).
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