flu and sinus infections,
You've got a stuffy nose, a sore throat, and a pounding headache, but how do you know if it's a cold or the flu
It's important to know the difference between flu and cold symptoms. A cold .. you may mistake coldsymptoms for allergic rhinitis (hay fever) or a sinus infection.
the different symptoms of the cold, flu and sinus infections, and what you can do to help prevent them
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