And definitely you will most likely succumb to another cold virus, due to the fact that there are more than 300 different cold viruses. Yet you will certainly never acquire the same runny nose virus that you had before because you have created resistance to that particular virus.Parents have already had a lot of the rhinitis viruses. Adults have actually developed resistance to the viruses they have actually had. So there are not as many runny nose viruses around for grownups to catch. That is why adults only acquire a couple of runny noses each year and youngsters acquire a dozen colds each year.