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Probably have you hitherto had a cold virus? Possibly did you recover from the infection? Of course you got over it! You will not treat a common cold directly, yet your system usually develops immunity to a certain cold infection within a few weeks. We call that treated by your own immunity!
Grownups have previously had a lot of the runny nose viruses. Adults have actually acquired immunity to the colds they have actually had. So there are not so many cold viruses remaining for adults to catch. That is why grownups just acquire a few runny noses per year and children acquire 10-12 runny noses annually.
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