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

A pandemic is an epidemic of an infectious disease that has spread across a large region, for instance, multiple continents or worldwide, affecting a substantial number of people. A widespread endemic disease with a stable number of infected people is not a pandemic.
A pandemic is an epidemic of an infectious disease that has spread across a large region, for instance, multiple continents or worldwide, affecting a substantial number of people. A widespread endemic disease with a stable number of infected people is not a pandemic.
See less