Cold and Flu Articles : Learning Center on Healthline.com

Healthline's Premium Tools

Symptom Search

Discover possible causes based on the symptoms you enter. It's fast, convenient and easy to use.

Search by color, shape and markings. click here

Check any 2 drugs for interactions. click here

Compare any two drugs side by side. click here

Medicare's drug plans are subsidized by the US federal government and offered through insurers.

Marketplace

The flu is a contagious infection of the nose, throat, and lungs caused by the influenza virus.

Source:ADAM

Date:December 4, 2007

·Topics

Common Cold

·Multimedia

News

·Related Topics

viral upper respiratory tract infection