A researcher finds that the period prevalence of flu during winter is higher than the point prevalence measured on a single day in winter. Why?
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Correct answer: Because period prevalence counts all cases during the season
Period prevalence counts all cases present at any time during the period, making it higher than point prevalence measured at a single moment.
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More Epidemiology: Incidence and Prevalence questions
- During an outbreak, the incidence of a disease rises sharply. What immediate effect does this have on prevalence?
- Which scenario best illustrates incidence?
- Which scenario best illustrates prevalence?
- If incidence remains the same but mortality increases, what happens to prevalence?
- A chronic condition has low incidence but high prevalence. What is the most likely reason?
- Which of the following combinations would result in a very low prevalence?