# Public Health **Entity class:** Population-health domain **Public health** protects and promotes the health, safety, and well-being of populations through surveillance, prevention, intervention, evaluation, and collaboration. Its methods extend beyond infectious disease to injuries, violence, behavior, environmental hazards, and other health-related events. ## Relationships [[wiki/Public Health Surveillance|Public Health Surveillance]] · [[wiki/Public Health Approach to Violence Prevention|Public Health Approach to Violence Prevention]] · [[wiki/Population Observability|Population Observability]] · [[wiki/Counterterrorism Collection - Public Health and Violence Prevention|Public Health and Violence Prevention]] ## Sources - [CDC — Public Health Approach to Violence Prevention, April 9, 2024](https://www.cdc.gov/violence-prevention/about/about-the-public-health-approach-to-violence-prevention.html) **As of:** 2026-09-23