Question

What makes a disease a pandemic? Include an example.

Answer 1

HI  There:)

Pandemic means diseases that spread over a large area and affect large numbers of people.

One example:
An influenza pandemic occurs when a new influenza virus emerges and spreads around the world, and most people do not have immunity. 

Hope I helped you out!!

~TRUE BOSS

Answer 2

A pandemic is the worldwide spread of a new disease. An influenza pandemic occurs when a new influenza virus emerges and spreads around the world, and most people do not have immunity. Viruses that have caused past pandemics typically originated from animal influenza viruses