Yaws
Definition: Yaws is a chronic, debilitating, non-venereal infectious disease caused by the bacterium Treponema pallidum pertenue, primarily affecting the skin,…
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Years Lived with Disability (YLD)
Definition: Years Lived with Disability (YLD) is a measure of the burden of living with a disease or injury that…
Read DefinitionYears of Life Lost (YLL)
Definition: Years of Life Lost (YLL) is a measure of premature mortality, quantifying the number of years lost due to…
Read DefinitionYears of Potential Life Lost (YPLL)
Definition: Years of Potential Life Lost (YPLL) is a public health metric that quantifies the burden of premature mortality by…
Read DefinitionYellow Fever
Definition: Yellow Fever is an acute viral hemorrhagic disease transmitted by infected mosquitoes, primarily *Aedes aegypti*, which can cause a…
Read DefinitionYersiniosis
Definition: Yersiniosis is an infectious disease primarily caused by the bacteria *Yersinia enterocolitica* and, less commonly, *Yersinia pseudotuberculosis*. It most…
Read DefinitionYouth Engagement
Definition: Youth engagement in public health refers to the active and meaningful involvement of young people in processes that affect…
Read DefinitionYouth Mental Health
Definition: Youth Mental Health refers to the emotional, psychological, and social well-being of individuals during adolescence and young adulthood (typically…
Read DefinitionYouth Risk Behavior Surveillance System (YRBSS)
Definition: The Youth Risk Behavior Surveillance System (YRBSS) is a school-based survey system developed by the U.S. Centers for Disease…
Read DefinitionYouth Violence Prevention
Definition: Youth Violence Prevention refers to the systematic application of strategies and programs designed to reduce the incidence of violence…
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