Answer:
The correct answer is - Prevalence; and Incidence.
Explanation:
Prevalence is the total number of the cases that emerging or already existed in a population in the reference of the disorders. Prevalence is essential to help in identifying how much disease is widespread.
Incidence is, on the other hand, is the number of new cases in the population at a particular given time period in reference to a disorder or disease. It helps in providing information about the possibilities of contracting with the diseases.
The correct answer is - prevalence and incidence.