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Zoonotic Disease

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An epidemic is a disease within contained borders that even if cut off from outside sources, would continue to spread. Malaria travels within Africa without re-introduction from other countries. A zoonotic disease is a disease that originally was contracted from an animal but can passed from human to human as well. Epidemics can easily occur in areas introduced to the disease or similar strains. This means that people won’t have a built up immunity to it to defend against it, the disease will spread very quickly and affect everyone. Hernando De Soto explored the Mississippi River Valley and as a result, exposed local people to diseases that they’ve never built resistances for. This killed most of the population because of how epidemics spread.
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