Possibly have you a while ago had a runny nose? By any chance did you heal from the virus? Obviously you got over it! You can not treat an acute rhinitis itself, nevertheless your body typically establishes immunity to a particular cold virus within a couple of days. We call that being cured by your very own immunity!Adults have previously had a great deal of the runny nose viruses. Parents have established resistance to the viruses they have actually had. So there are not quite as many cold infections around for adults to become infected with. That is why grownups only acquire a couple of colds per year and youngsters usually get a dozen runny noses each year.