Quiz: Test your knowledge of colds and the flu

Posted at 10:48 AM, Sep 16, 2015
and last updated 2015-10-18 10:40:48-04

As flu season arrives each year, many throughout the United States will get shots to avoid getting sick. 

But what if that shot doesn't work, and how does someone know if he has the flu, or a common cold? Take this quiz to see what you know about both types of illness.

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