Colds and the Flu

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What is the common cold and the flu?

The common cold and the flu are viral infections of the respiratory tract, which includes the throat, nose, airways and lungs.

See a list of resources used in the development of this information.

Written by familydoctor.org editorial staff

Reviewed/Updated: 11/10
Created: 01/96

Overview

Questions
to Ask Your Doctor About Colds and the Flu

Check Your Symptoms

Find out what else could be causing your symptoms.