The response of a group of people circumscribed in place to a common infection, contamination, or other etiologic factor to which they were exposed simultaneously refers

Point Epidemic

Explanation:

Point epidemic is defined as the group or collection of cases which related with a common disease or infection that is reported by a cluster of people.  Graphs regarding these cases are formed according to the source of that common infection or disease in particular day or hour.

Mode of such illness causing infection can be exposure to food, water, or other sources.Graph is created to depict about the cases that occurred in the certain period of time to determine the curve of infection or illness cases.

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