EPIDEMICS & PANDEMICS - Briefly Explained!!

EPIDEMICS AND PANDEMICS - Briefly Explained!!

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An epidemic is the rapid spread of a disease to a large number of people in a given population within a very short period of time.
The important points to pay attention to in this definition are
1. Rapidly spreading disease
2. Involving large number of people
3. Short period of time

The word EPIDEMIC traces its origin from Greek words – epi meaning "upon" and Demic which comes from the word demos which means "people".
An epidemic is an event in which a disease is actively spreading. In contrast, the term pandemic relates to geographic spread and is used to describe a disease that affects a whole country or the entire world.

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