And definitely you will probably acquire one more cold, due to the fact that there exist 300 various cold infections. Yet you will certainly never acquire the same cold infection that you had before due to the fact that you have established resistance to it.Grownups have already had a lot of the runny nose viruses. Parents have actually acquired immunity to the viruses they have actually suffered from. So there are not quite as many runny nose infections existing for parents to acquire. That is why grownups just acquire a few runny noses each year whereas kids usually get 10-12 colds annually.