Components of the epidemiological triad
AHE
Frames outbreak investigation by asking what the agent, host and environment each contribute.
Suits infectious disease best; chronic disease is better explained by the web of causation.
Teaching aid, still awaiting independent review. Confirm facts in a standard source.
AHE. It helps you recall: Components of the epidemiological triad.
Agent
Host
Environment
A: Agent; H: Host; E: Environment.
It belongs to Epidemiology in PSM.
Suits infectious disease best; chronic disease is better explained by the web of causation.
Frames outbreak investigation by asking what the agent, host and environment each contribute.
Say it aloud, write it from memory tomorrow, then again in a week. Then test yourself on a PSM question about Epidemiology.
It is a teaching aid written or adapted by our team. Some resemble ones students share informally. Check any fact that matters in a standard source.