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Explain the differences between incidence rates and prevalence rates.
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- Define incidence and prevalence, and explain the difference between them.Differentiate the following Epidemiological Measures a. Frequency Measures: Incidence and prevalence b. Morbidity Frequency Measures c. Mortality Frequency MeasuresCalculate rates of incidence, prevalence, morbidity, and mortality
- What is the difference between incidence and prevalence? •Give examples for each. •Why is incidence more useful in identifying the cause of a disease? Please include your references and supporting data.Discuss why CVD is the leading source of death inWestern countries.Identify main risk factors contributing to non-communicable diseases and describe behavioral linkages with disease burden.
- Explain the distinctions for different categories of outbreaks in relation to infectious diseases.Explain why it is important to reduce the number ofexacerbations.Calculating Incidence versus Prevalence The picture represents 10 new cases of illness over about 15 months in a population of 20 persons. Each horizontal line represents one person. The down arrow indicates the date of onset of illness. The solid line represents the duration of illness. The up arrow and the cross represent the date of recovery and date of death, respectively. The picture New: Cases of Illness from October 1, 2004–September 30, 2005 Question: Calculate the period prevalence from October 1, 2004, to September 30, 2005. The numerator of period prevalence includes anyone who was ill any time during the period. In Figure 3.1, the first 10 persons were all ill at some time during the period.