Yes, mono is a highly contagious viral illness. Although teens and young adults most often get sick with mono, anyone can get it. Our AFC Urgent Care Sevierville team highlights some important info that you need to know about mono below, so keep reading! What Is Mono? Mono, or infectious mononucleosis, is a group of symptoms that is usually caused by the Epstein-Barr virus. It’s known as the “kissing disease” because it’s spread ...