And definitely you will eventually cave in to one more cold virus, since there remain more than 300 different runny nose viruses. Yet you will never acquire the exact same runny nose infection that you had before since you have established resistance to that particular virus.Grownups have in the past had a great deal of the rhinitis viruses. Parents have actually acquired resistance to the ones they have actually had. So there are not lots of cold infections around for parents to acquire. That is why adults just get a couple of colds each year and youngsters usually get 10-12 runny noses annually.