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Epidemiology - Coggle Diagram
Epidemiology
Types of Spread
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- Intermittent: irregular exposure; example: well contaminated after rainfall
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Introduction
Epidemiology studies the geographical distribution and timing of disease and how it is
transmitted and maintained in nature.
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Transmission
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Modes
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Vehicle Transmission
- Food, water, and air act as vehicles
Vector Transmission
- Mechanical vector: carries pathogen on body, not as an infection
- Biological vector: becomes infected and transmits it
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