yes, i've never had any flu. the symptoms of viral infections as strong as that of the influenza virus can't go unnoticed with any healhty person. one might car

yes, i've never had any flu. the symptoms of viral infections as strong as that of the influenza virus can't go unnoticed with any healhty person. one might carry viruses around without them ever managing to infect you, though. the rhinovirus, which lives in the human crowd, is a good example of this.