2072. Epstein-Barr virus (early antigen, EA), IgG antibodies
Description
Epstein-Barr virus is the etiological factor of infectious mononucleosis. The human immune system reacts to the penetration of a virus into the body by releasing antibodies specific to it. Immunoglobulins G to early antigens of the Epstein-Barr virus indicate the chronization of the process or convalescence.
Determination of IgG antibodies can be used for targeted detection of infection provoked by the Epstein-Barr virus.
When and who needs the test?
- Patients with suspected infectious mononucleosis, to determine the active phase.
- In cases of recurrent symptoms, prolonged low-grade fever, or lymphadenopathy.
- In patients with immunodeficiency or lymphoproliferative disorders.
- If viral reactivation is suspected, particularly in pregnant women, cancer patients, or after transplantation.
- In combination with other EBV markers (VCA-IgM, VCA-IgG, EBNA-IgG) – for a complete assessment of the infection phase.
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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