How is lymphocytosis characterized in Epstein-Barr virus (EBV) infectious mononucleosis (mono)?
Lymphocytosis in Epstein Barr Virus (EBV) Infectious Mononucleosis Lymphocytosis, increase in white blood cells, indicates diagnosis of EBV infection. The number of lymphocytes in EBV infection increases by 50-60% of total leukocytes. 10% are atypical lymphocytes with 95% T lymphocytes and 5% B lymphocytes. To confirm diagnosis, heterophile antibody test is recommended.