And of course you will eventually get infected by a different cold, because there exist 300 various cold viruses. However you will never acquire the exact same cold infection that you had in the past since you have created immunity to that particular virus.

Grownups have actually previously had a lot of the runny nose viruses. Parents have developed immunity to the ones they have actually suffered from. Therefore there are not quite as many runny nose viruses remaining for adults to become infected with. That is why parents only get infected with a couple of runny noses each year and youngsters succumb to a dozen colds annually.
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