And sure you will possibly acquire one more cold virus, due to the fact that there exist more than several hundred different cold infections. Yet you will certainly unlikely acquire the very same runny nose virus that you had previously due to the fact that you have actually created resistance to that particular cold virus.Parents have in the past had a lot of the runny nose infections. Adults have actually developed immunity to the colds they have suffered from. Therefore there are not so many cold viruses remaining for adults to catch. That is why parents just acquire a few colds annually whereas youngsters may get a dozen runny noses each year.