The common cold is a viral infection of your upper respiratory tract your nose and throat. A common cold is usually harmless, although it may not feel that way at the time. If it’s not a runny nose, sore throat and cough, it’s the watery eyes, sneezing and congestion or maybe all of the above. In fact, because any one of more than 100 viruses can cause a common cold, signs and symptoms tend to vary greatly.

Preschool children are at greatest risk of frequent colds, but even healthy adults can expect to have a few colds each year.

Most people recover from a common cold in about a week or two. If symptoms don’t improve, see your doctor.
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