2071. Epstein-Barr virus (capsid antigen, VCA), IgG antibodies
Description
IgG antibodies to the EBV capsid antigen (VCA) indicate a current or past infection. They are a marker of the response after exposure to the virus. They are determined in cases of suspected mononucleosis, in pregnant women, in cases of immunosuppression, or to differentiate the phases of infection.
When and who needs the test?
- If infectious mononucleosis is suspected.
- To assess the serological status of a pregnant woman (EBV positivity or lack of immunity).
- For immunocompromised patients (HIV, oncohematology, transplantation) – as part of monitoring.
- To differentiate between the phases of EBV infection (along with IgM and EBNA).
- In cases of reactivation or chronic progression.
Biological material
- Venous blood
Preparing for a blood test
In order to exclude factors that may affect the test results, we recommend to follow the preparation rules:
- an important condition for laboratory tests is to take blood on an empty stomach.
- 6-12 hours before the test, you should avoid eating, drinking alcohol, smoking, and limit physical activity. Drinking...
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