There is nothing fun about the flu. It interrupts your daily life and leaves you feeling sore, achy, feverish, and fatigued for a few days. If you’re extra lucky, you’ll even get to experience sore throat, coughing, and chills along with your other symptoms. For most people, the flu is a minor inconvenience that simply means a sick day curled up on the couch with a bowl of soup and a cup of tea. Yes, you’ll likely be miserable, but there’s nothing life-threatening to be worried about. For others, contracting the flu could be deadly. It is essential to know if you are in the high-risk flu group so that you can take proper precautions. Here’s how to tell.