And definitely you will eventually get infected by an additional cold virus, because there are more than 300 various cold viruses. But you will certainly unlikely get the same cold infection that you had before since you have established resistance to that particular cold virus.

Parents have actually currently had a lot of the runny nose viruses. Grownups have actually developed immunity to the ones they have suffered from. So there are not so many cold infections remaining for adults to catch. That is why grownups just acquire a couple of runny noses per year whereas children succumb to 10-12 runny noses per year.
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