PATHOLOGY

Detailed explanation-1: -Influenza (flu) and the common cold are both contagious respiratory illnesses, but they are caused by different viruses. Flu is caused by influenza viruses only, whereas the common cold can be caused by a number of different viruses, including rhinoviruses, parainfluenza, and seasonal coronaviruses.

Detailed explanation-2: -Flu and cold viruses are spread when people who have a cold or flu cough or sneeze near you. Sometimes you can get these illnesses by touching something with the virus on it and then touching your mouth, nose, or eyes.