define mono disease
Infectious mononucleosis, frequently called mono or the kissing disease, is caused by the Epstein-Barr virus (EBV) found in saliva and mucus.The virus affects a type of white blood cell called the B lymphocyte producing characteristic atypical lymphocytes that may be useful in the diagnosis of the disease.nfectious mononucleosis, frequently called mono or the kissing disease, is caused by the Epstein-Barr virus (EBV) found in saliva and mucus.