Mono, or infectious mononucleosis, is sometimes called the “kissing disease” for good reason. This illness, which is most often caused by the Epstein-Barr virus, is often transmitted through saliva. Young adults and teens are most susceptible to getting it, and it usually isn’t a cause or serious concern. Learn more about this common illness from our AFC Urgent Care Knoxville team below! Is Mono Contagious? Yes, mono is a very contagious illness. Although experts ...