Search results with tag "Epidemiological triad"

Introduction to Epidemiology (Lecture notes)

Epidemiological triad • Epidemiological triad : based on the model of –Agent –Host –Environment –Time • Agent: is the cause of disease- viral, bacterial, fungal etc etc • With regards to NCDs: agent could be a chemical (from dietary food, tobacco smoke, solvents), radiation, nutritional deficiency etc

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