EBV is prevalent throughout the world. In the United States, 95% of the adults between 35 and 40 years of age have acquired EBV. The best way to prevent mononucleosis is to limit sharing of drinks, lipsticks, and other sources of saliva.
When a person has had mononucleosis, EBV may recur later in life. The EBV virus has been associated with Burkitt's lymphoma, an uncommon blood cancer. It has also been associated with nasopharyngeal cancer, a cancer that occurs in the back of the throat area. However, EBV is not the only cause of these cancers. It is extremely rare for people infected with EBV to ever develop either of these cancers. Other more common complications of EBV are as follows:
EBV is spread through contact with the saliva of the infected person.