And of course you will eventually get infected by a different cold virus, since there exist over 300 various cold infections. But you will never get the very same runny nose virus that you had previously since you have developed resistance to that virus.

Grownups have actually in the past had a lot of the rhinitis viruses. Adults have established resistance to the colds they have actually suffered from. Therefore there are not so numerous of cold viruses existing for adults to become infected with. That is why adults just get a few colds each year whereas children usually get a dozen runny noses annually.
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