disease etiology

What are Some Common Models of Disease Causation?

Several models help in conceptualizing disease causation:
- Epidemiologic triangle: This model considers the interaction between the host, agent, and environment.
- Web of causation: This model represents the complex interplay of multiple factors that contribute to disease.
- Chain of infection: This model is particularly useful for infectious diseases and involves understanding the links between the pathogen, reservoir, portal of exit, mode of transmission, portal of entry, and susceptible host.

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