What Is the Flu, How Do Viruses Work, and How to Avoid the Flu! Uh-oh. There it is again. That tickle in the back of your throat… the congestion building in your nose. You hope for a cold — PLEASE be a cold. Then come the chills. And your worst fears are realized. There’s no escaping it now, you’ve got: THE FLU. Everybody run for your lives! Just kidding — this isn’t the Coronavirus (COVID-19). You may be thinking — get to the good part, I just want to know how to avoid the f