Perchance have you once suffered through a cold virus? Perchance did you heal from the problem? Of course you got over it! You can't cure an acute rhinitis directly, nevertheless your body usually establishes immunity to a specific cold infection within a few days. That is called being healed by your very own immunity!Parents have already had a great deal of the cold viruses. Parents have actually developed immunity to the viruses they have suffered from. So there are not quite as many cold infections around for grownups to catch. That is why adults just get infected with a couple of colds each year and children get 10-12 colds each year.