Measures of Morbidity And Mortality (Epidemilogy)

I’m studying for my Health & Medical class and don’t understand how to answer this. Can you help me study?

Twenty-five children in Fallsburg School (with a population of 60 pupils) received their immunization against whooping cough to protect the school’s student population. In your role as health officer, you collected the documentation from parents on the first day of school. You found that 25 students had received their immunization against the disease. You have been asked to explain some basic epidemiologic concepts to the parents who did not have their children immunized.

You have been tasked to do the following:

1. Define the term population at risk and indicate which of the elementary students are not at risk.

2.Also describe the difference between incidence and prevalence.

Be sure to justify your response with evidence from the literature

Length 2-3 pages excluding title page, and references