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5 Cards in this Set
- Front
- Back
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Measures of risk
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1. attack rate
2. secondary attack rate 3. case fatality rates 4. proportional morbidity/mortality rates |
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Attack rate
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describe the frequency of dz in outbreak situations
number of cases -\- pop size exposed |
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Secondary attack rate
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described the infectiousness of living agents; assumtion of spread of an agent in the aggregate - no common-source exposure
(# of cases - initial cases) -/- pop at risk |
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Case fatality rate
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proportion of animals with a specific dz that die from it within a specified period of time.
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Proportional morbidity/mortality rates
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when approp denominator is unknown
number of cases/deaths due -/- all diseases diagnosed less preferable measure of risk |
