Diffusion Barriers

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  • Disease Diffusion Barriers
    • Distance
      • Probability of diseases spreading is inversely proportional to distance from source.
    • Climate
      • E.g. malaria  is present in warm, humid environment (e.g. Africa)
    • Politics
      • Imposing curfews to limit contact between people reduces spread.
    • Medicine
      • E.g. Quarantine for West Africa aides with Ebola.


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