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Proportion of people in a population who have a particular disease at a specified point in time or over a specified period of time is definition as which of the following?
Correct Answer: B
Incidence rate = New reported cases / summed person-years of observation (avg population during time interval) Prevalence = Cases in a population in a given time period / total population at that time. Reference: https://www.cdc.gov/ophss/csels/dsepd/ss1978/lesson3/section2.html http://www.healthknowledge.org.uk/public-health-textbook/research-methods/1a-epidemiology/numerators- denominators-populations