Which of the following terms describes the number of people affected by a disease during a specific period of time?

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Prevalence is the number of people affected by a disease during a specific period of time. Incidence is a measurement of the risk of a specific population developing a new disease within a set time period. Mortality rate describes how many deaths occur in a set time period due to the cause in question. Epidemiology is the study of disease distribution in different populations of people and what factors affect the distribution of diseases.

Which of the Following Terms Describes the Number of People