Barriers to Diffusion

Distance
Spread of disease is inversely proportional to distance from source
1 of 5
Mountains, Oceans, and Deserts
Slow or halt diffusion
2 of 5
Climate
Major factor in epidemiology and distribution of diseases
3 of 5
Political Borders
Check international movement of carriers
4 of 5
Mass Vaccination
Protects populations against disease
5 of 5

Other cards in this set

Card 2

Front

Mountains, Oceans, and Deserts

Back

Slow or halt diffusion

Card 3

Front

Climate

Back

Preview of the front of card 3

Card 4

Front

Political Borders

Back

Preview of the front of card 4

Card 5

Front

Mass Vaccination

Back

Preview of the front of card 5

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