And of course you will eventually get one more runny nose virus, since there are over 300 various cold viruses. Yet you will certainly never get the exact same runny nose virus that you had before because you have established immunity to it.

Parents have previously had a great deal of the cold infections. Grownups have actually created immunity to the ones they have suffered from. Therefore there are not as many cold viruses around for adults to become infected with. That is why adults just acquire a couple of colds each year and kids acquire 10-12 colds per year.
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