And sure you will probably acquire an additional runny nose virus, because there exist 300 different cold viruses. Yet you will never ever acquire the same runny nose virus that you had in the past because you have actually created immunity to that cold virus.

Adults have actually in the past had a great deal of the rhinitis infections. Parents have developed immunity to the viruses they have actually had. So there are not quite as many runny nose viruses existing for parents to catch. That is why parents just succumb to a few colds annually whereas children may get 10-12 runny noses per year.
https://waylonnrhp.bloggersdelight.dk/2021/07/21/how-to-heal-hpv-naturally/