By chance have you hitherto been down with a common cold virus? By chance did you do away with the virus? Naturally you did! You can't cure an acute rhinitis directly, nevertheless your immune system generally creates resistance to a particular cold infection within a couple of days. We call that treated by your own immune system!Grownups have actually previously had a lot of the cold infections. Grownups have acquired immunity to the viruses they have had. So there are not quite as many cold infections existing for grownups to acquire. That is why parents only get infected with a few runny noses annually and kids succumb to a dozen colds annually.