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EBV VCA IgG positive means you were previously infected with EBV — most likely in childhood or adolescence as typical infectious mononucleosis. The virus remains dormant but you now have lifelong immunity against re-infection.
EBV VCA IgG negative means you haven't previously been infected with Epstein-Barr Virus, the cause of infectious mononucleosis (glandular fever). Most adults worldwide carry EBV — being negative means you're still susceptible.
If you develop symptoms of mono (very large fatigue, sore throat, swollen lymph nodes), you should be tested for active EBV infection. Currently no vaccine exists.
EBV VCA IgG: {{value}} — negative (no prior EBV infection)No EBV antibodies detected. You have not had EBV infection previously.
No action needed. Be aware of mono symptoms if they develop.
EBV VCA IgG: {{value}} — negativeBorderline EBV result may benefit from IgM testing or repeat in 2–4 weeks.
Discuss with your doctor if you have mono-like symptoms.
EBV VCA IgG: {{value}} — borderline negativeEBV VCA IgG positive means you were previously infected with EBV — most likely in childhood or adolescence as typical infectious mononucleosis. The virus remains dormant but you now have lifelong immunity against re-infection.
This is a normal finding for most adults. No action needed.
EBV VCA IgG: {{value}} — positive (past infection, immune)You have established immunity to EBV from a past infection. This is the case for >90% of adults globally.
No action needed.
EBV VCA IgG: {{value}} — positive (established immunity)Elevated EBV IgG can suggest a recent primary infection or reactivation. EBV can reactivate during periods of stress or immune suppression.
Check EBV IgM and EA antibodies to determine if there's active infection. In immunocompromised patients, monitor closely.
EBV VCA IgG: {{value}} — elevated — possible recent or reactivating infectionHigh EBV IgG in most people simply reflects a strong immune memory of a past infection. In immunocompromised individuals, it can indicate reactivation.
For healthy people: no concern. For immunocompromised: discuss with your specialist.
EBV VCA IgG: {{value}} — high positiveVery high EBV antibody titers, especially when significantly elevated above your baseline, can occasionally be associated with EBV-driven lymphomas (Burkitt lymphoma, some Hodgkin lymphoma) or chronic active EBV disease.
Discuss with your doctor. In context of unexplained lymph node swelling or weight loss, further investigation is warranted.
EBV VCA IgG: {{value}} — very high — evaluate for reactivation or EBV-related lymphomaUpload your lab report and get your actual values interpreted in plain English — instantly, with no medical training required.