The flu and COVID-19 are both respiratory illnesses, but they’re related to two totally different viruses. The flu is caused by an infection with influenza viruses, and COVID-19 is caused by an infection with a new coronavirus called SARS-CoV-2. Read on as our team at AFC Urgent Care Knoxville provides some helpful tips on how you can tell these illnesses apart. How Are the Flu and COVID-19 Similar? In addition to both viruses being ...