And definitely you will probably get infected by an additional cold virus, because there exist more than several hundred various runny nose viruses. But you will certainly never acquire the same runny nose virus that you had in the past since you have actually created immunity to that cold virus.

Adults have currently had a great deal of the cold viruses. Adults have created immunity to the ones they have had. Therefore there are not so many cold viruses existing for grownups to acquire. That is why parents just get a couple of runny noses each year and kids acquire 10-12 colds per year.
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