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12 Cards in this Set
- Front
- Back
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Chain of infection |
Agent, Reservoir, Portal of Exit, Mode of Transmission, Portal of Entry, Susceptible Host |
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Agent |
Microorganism that can cause infection |
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Reservoir |
Environment where agent resides (water, feces) |
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Portal of Exit |
How agent leaves reservoir |
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Mode of transmission |
Agent travels to another host (direct or indirect) |
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Portal of Entry |
Where infectious agent enters a host |
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Endemic |
Constant prevalence of disease in a population within a geographic area |
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Epidemic |
Sudden increase of disease above what is normally expected in that area |
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Pandemic |
Epidemic that has spread throughout various countries |
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Null Hypothesis (H0) |
Statement of no difference, no association, no effect |
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Alternative Hypothesis (Ha) |
Represents investigators belief in terms of association under study |
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Probability value (p-value) |
Exact level of significance |
