Yes. There are many different “cold” viruses, and adults have some degree of immunity against most of them, while children are getting many for the first time in their life. That’s very different from the flu, which doesn’t have many concurrent versions but is evolving more rapidly. (Not sure where covid falls here.)
Yes. There are many different “cold” viruses, and adults have some degree of immunity against most of them, while children are getting many for the first time in their life. That’s very different from the flu, which doesn’t have many concurrent versions but is evolving more rapidly. (Not sure where covid falls here.)