And of course you will most likely get infected by an additional cold virus, because there are 300 different runny nose infections. But you will certainly never get the same runny nose virus that you had in the past because you have actually created immunity to that virus.

Grownups have currently had a great deal of the runny nose infections. Grownups have developed immunity to the viruses they have actually suffered from. Therefore there are not so numerous of cold infections existing for parents to acquire. That is why grownups just get a couple of colds annually and children get a dozen colds annually.
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