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SHIELD
Syphilis and HIV Integrated Epidemiologic and Economic Dynamics
HIV/STI co-epidemic strategy
Models HIV-syphilis co-epidemic strategies across high-burden urban jurisdictions.
Scope: 32 cities
Decision context
Which strategies could help jurisdictions respond to overlapping HIV and syphilis epidemics as new prevention and testing options become available?
Researchers, urban health departments, clinical teams, and community partners
High-burden U.S. urban jurisdictions
Model overview
SHIELD employs mathematical modeling to study the transmission and control of HIV and syphilis across local populations. The models cover 32 U.S. cities, encompassing all Ending the HIV Epidemic (EHE) urban jurisdictions, which account for approximately 60% of both HIV and syphilis diagnoses. SHIELD simulates populations stratified by demographic and behavioral factors to capture population diversity and enables projections of disease spread and intervention impact, supporting evidence-based public health planning and policy decisions.
Model development and intervention evaluation for co-epidemic planning.