The Incidence of Disease

The incidence of disease:

A) is the total number of cases of a particular disease during an epidemic.
B) is calculated by subtracting the number of recovered individuals from the number of sick individuals.
C) is the number of new cases of a particular disease during a specified time period.
D) is the period of time measured in days, weeks, or years, during which an epidemic occurs.
E) is the average number of new cases infected by a single sick individual for a specific disease.