Mononucleosis is usually caused by this virus, EBV for short
[DOC] [TLE] Mononucleosis: MedlinePlus Medical Encyclopedia [PAR] Feb 15, 2016 ... Mononucleosis, or mono, is a viral infection that causes fever, sore throat, and 
swollen ... Mono is usually linked to the Epstein-Barr virus (EBV).