Mono (mononucleosis) surfaces as a result of a virus type known as Epstein-Barr virus (EBV). It is most common among teens and adults, but some children can also become infected. While most people experience this virus mildly, others may not even be aware of its existence. It is important to note that the symptoms of mono are not distinguishable because they are common ones that exist for many other medical conditions. Some of these symptoms ...