And definitely you will most likely succumb to an additional cold virus, because there remain several hundred different runny nose infections. But you will never ever acquire the very same cold infection that you had in the past due to the fact that you have actually established immunity to that particular cold virus. Parents have in the past had a great deal of the cold viruses. Adults have actually developed immunity to the viruses they have actually had. So there are not so many cold infections existing for adults to become infected with. That is why grownups just succumb to a few colds per year and youngsters acquire a dozen runny noses per year.