The incidence of a disease is the number of new cases

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The Incidence of a Disease is the Number of new Cases of that Disease over a specific Period of Time. If ten MIC 101 Students catch Jawa Fever per Day, the Incidence of Jawa Fever could be stated as 10 New Cases per Day or as 70 new Cases per Week. The Prevalence of a Disease is the Total Number of Cases of that Disease at any particular Time. If Jawa Fever lasts a Week, by the Fourth Day the Prevalence of Jawa Fever could be stated as 40 Cases. Morbidity (L= sickness) is the Number of People in a Susceptible Population who contract a Disease over a specific Period of Time. It can be expressed as: Number of New Cases over a specific Time Period Morbidity Rate = ________________________________________ Number of Individuals in a Susceptible Population If there are 140 Students in MIC 101, at the End of the Week the Morbidity Rate for Jawa Fever would be 70 ÷ 140 or 0.5. Mortality (L = death) is the Number of Deaths from a specific Disease compared to the Number of Individuals who contracted the Disease. It can be expressed as: Number of Deaths from a Disease over a specific Time Period Mortality Rate = __________________________________________________ Number of Cases of that Disease over the same Time Period If at the End of that Week 15 Students have died from Jawa Fever, the Mortality Rate for Jawa Fever would be 15 ÷ 70 or 0.21.
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