Epidemic Investigation

The occurrence of cases of an illness, specific health-related behavior, or other health-related events clearly in excess of normal expectancy in a community or region is defined as a/an:

An epidemic curve showing a sharp rise and a rapid decline, with cases clustered around a single exposure event, is characteristic of which type of epidemic?

A district health officer receives multiple reports of acute gastroenteritis cases from a specific village. What is the *first* step in initiating an outbreak investigation?

During an outbreak investigation, plotting the number of cases by their date of onset helps to visualize the epidemic's course. This graphical representation is known as a/an: