CMV: cytomegalovirus; EBNA: Epstein-Barr virus nuclear antigen; EBV: Epstein-Barr virus; HHV: human herpes virus; HIV: human immunodeficiency virus; IgG: immunoglobulin G; IgM: immunoglobulin M; VCA: viral capsid antigen.
* Send additional studies to evaluate for non-EBV illness, including CMV, HIV, toxoplasma, or HHV-6 and HHV-7.
¶ Symptoms may be related to EBV or non-EBV illness. Correlate test results with the clinical scenario and time course of symptoms. In patients with prolonged symptoms, EBV is less likely.
Δ EBNA may not develop in up to 5% of previously healthy patients and 20% of immunosuppressed patients.