And definitely you will probably cave in to a different runny nose virus, since there are over 300 various runny nose viruses. Yet you will never acquire the exact same cold virus that you had previously since you have actually created immunity to that virus.Adults have already had a lot of the runny nose viruses. Grownups have actually acquired immunity to the viruses they have actually suffered from. So there are not quite as many runny nose infections remaining for adults to catch. That is why grownups just get a couple of runny noses per year whereas youngsters succumb to a dozen colds per year.