Likely have you ever suffered through a cold virus? Perhaps did you do away with the cold? Naturally you did! You won't treat an acute rhinitis itself, yet your body usually establishes immunity to a certain cold infection within a couple of weeks. That is called being cured by your personal immunity!Parents have currently had a lot of the runny nose infections. Grownups have created immunity to the ones they have suffered from. So there are not as many cold viruses existing for grownups to acquire. That is why adults only acquire a couple of colds annually whereas kids succumb to 10-12 runny noses annually.