Final answer:
Influenza (Flu) is an airborne infectious disease with characteristic symptoms like fever and body aches that can lead to epidemics and pandemics.
Explanation:
Influenza, commonly known as the flu, is an airborne infectious disease characterized by symptoms such as fever, chills, and body aches. It is spread through the air when infected individuals sneeze or cough. The flu can lead to epidemics when outbreaks become regional or even pandemics when they spread globally.
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