And sure you will probably acquire another cold, since there are 300 various runny nose viruses. However you will never get the very same cold infection that you had in the past because you have created resistance to that particular cold virus.Grownups have in the past had a great deal of the rhinitis infections. Parents have actually developed immunity to the colds they have had. So there are not numerous runny nose infections remaining for parents to become infected with. That is why grownups only acquire a few runny noses per year and children acquire a dozen runny noses annually.