Your nose is stuffy, your throat is scratchy, and your head is pounding. Is it a cold or the seasonal flu? Symptoms can overlap, so unless your doctor runs a rapid flu test — a quick check done with a cotton swab from the back of your nose or throat — it’s hard to know for sure. 

Here are some basic guidelines for telling the difference between cold and flu symptoms, and what to do if you have either one of these infections.

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