Definition

Pandemic

Prevalent throughout an entire country, continent, or the whole world; epidemic over a large area.

Example

Defend

plague

The plague is most commonly spread by fleas hiding on goods and people traveling from region to region, which killed several people in the Middle Ages. This is an example of a pandemic because as the goods were shipped to many different places in the world and then transferred to several different people in that area the result was that those people then had the plague.