By any chance have you previously suffered through a cold virus? By any chance did you recover from the infection? Certainly you survived it! You will not treat a common cold itself, nevertheless your body usually establishes resistance to a specific cold infection within a few weeks. We call that healed by your own immunity!Parents have already had a lot of the runny nose viruses. Parents have established immunity to the ones they have actually had. Therefore there are not as many cold infections remaining for parents to acquire. That is why adults only get infected with a couple of colds annually and kids acquire a dozen colds per year.