Question

define the epidemic disease

Answer 1

A disease is considered epidemic when the number of cases rises above what would normally be expected in a given area. 

Answer 2

Answer

An epidemic diseases is the rapid spread of disease to a large number of people in a given population within a short period of time.

Explanation

For example, in meningococcal infections, an attack rate in excess of 15 cases per 100,000 people for two consecutive weeks is considered an epidemic