Research Interests
Current Research Interests
Dr. Ratevosian’s research focuses on the intersection of HIV, health systems, and global health governance, with particular attention to equity, sustainability, and implementation at scale. His current areas of interest include:
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Integration of HIV services into primary health care and universal health coverage, with an emphasis on differentiated service delivery, sustainable financing, and health system resilience in low- and middle-income countries.
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Implementation science for HIV prevention and treatment innovations, including PrEP scale-up, market incentives, and delivery models that improve equity and reach among underserved populations.
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Health systems strengthening and global health governance, examining how financing structures, donor transitions, and policy decisions shape service delivery, sustainability, and population health outcomes.
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Digital health and the responsible use of artificial intelligence in health systems, including applications for service delivery, data systems, and decision support, with attention to ethics, equity, and implementation at scale.
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Structural, legal, and political determinants of health and development, analyzing how laws, rights, and governance influence access to care, social protection, and health equity across diseases and sectors.