And sure you will possibly succumb to one more cold virus, due to the fact that there exist more than 300 various cold infections. However you will never get the very same runny nose virus that you had before due to the fact that you have actually established resistance to that cold virus.

Parents have currently had a lot of the cold infections. Parents have created immunity to the ones they have suffered from. Therefore there are not as many cold infections around for grownups to become infected with. That is why adults only get a few colds annually and youngsters may get a dozen colds annually.
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