Who Needs a Flu Shot? People who are particularly vulnerable.
What's Behind a Sore Throat? Sinus or throat infections are common causes.
Who Gets Pneumonia? Age and health affect your risk.
Do You Have Bronchitis? Usually characterized by cough lasting 10 days or more.
Relieve Ear Pressure While Flying. Here's what you can do.
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Flu Cases Start to Surge as Americans Prepare for Holiday Gatherings
Norovirus Sickens Hundreds on Three Cruise Ships: CDC
