HIV Self-Testing Strategies and Impacts

HIV self-testing (HIVST) has emerged as a complementary approach to facility-based screening, offering private, convenient and rapid detection of HIV antibodies. By enabling individuals to collect specimens and interpret results without direct involvement of healthcare professionals, self-testing addresses barriers such as stigma, confidentiality concerns and geographic inaccessibility. Strategies include secondary distribution through partners or peers, digital support via smartphone applications, and community-based models that leverage social networks. Across diverse settings, HIVST has consistently demonstrated increased uptake of testing, especially among men, adolescents and marginalised groups who under-utilise conventional services. Furthermore, enhanced case identification through self-testing translates into earlier linkage to antiretroviral therapy or prevention measures, reducing onward transmission and advancing global targets for diagnosis and treatment. Remaining challenges concern accurate result interpretation, integration of digital tools, effective linkage to care and monitoring of adverse events. Future innovations aim to refine test sensitivity and specificity, streamline digital guidance, and embed self-testing within broader prevention and care cascades to maximise public health impact.

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HIV Self-Testing Strategies and Impacts publication trend

The graph below shows the total number of articles in hiv self-testing strategies and impacts across all publications each year (not limited to Nature Index journals).

Technical terms

HIV self-testing (HIVST): A method by which individuals collect their own specimen (oral fluid or blood), perform the test and interpret results privately.

Index self-testing: Distribution of self-test kits by people living with HIV to their known sexual partners to increase partner testing and treatment uptake.

Digital HIVST: Use of mobile applications, computer-vision algorithms or online platforms to guide test execution, enhance result interpretation and facilitate linkage to care.

Social network-based distribution: A peer-driven model in which initial “seed” participants recruit acquaintances to request and use self-tests, often via web-based systems.

Sensitivity and specificity: Measures of a diagnostic test’s ability to correctly identify true positives and true negatives, respectively.

Linkage to care: The process by which individuals with reactive self-test results are connected to confirmatory testing, antiretroviral therapy or preventive services.

References

1. Effect of index HIV self-testing for sexual partners of clients enrolled in antiretroviral therapy (ART) programs in Malawi: A randomized controlled trial. PLOS Medicine (2023).
2. Exploring the diagnostic accuracy of an HIV self-test optimized by a digital app-based solution: Results from a secondary data analysis of a field trial in South Africa. PLOS Digital Health (2025).
3. Implementation Cascade of a Social Network–Based HIV Self-testing Approach for Men Who Have Sex With Men: Cross-sectional Study. Journal of Medical Internet Research (2023).
4. Review of HIV Self Testing Technologies and Promising Approaches for the Next Generation. Biosensors (2023).