Infectious mononucleosis (also known as mono, the kissing disease, Pfeiffer's disease, and glandular fever) is a disease seen most commonly in adolescents and young adults, characterized by fever, sore throat and fatigue. It is caused by the Epstein-Barr virus (EBV) or the cytomegalovirus (CMV). It is typically transmitted through saliva or blood, often through kissing, or by sharing a drinking glass, an eating utensil or a needle, but the disease isn't very contagious. ...