Epstein-Barr virus (EBV) is a deoxyribonucleic acid virus, and host cells after infection with Epstein-Barr virus can cause proliferative infections and non-proliferative infections. After infection of the organism, the corresponding antibody IgA of the EBV shell antigen is produced. That is, the EBVCA-IgA antibody. Detection of serum EBVCA-IgA is of great value in the diagnosis of nasopharyngeal carcinoma.

Basic Information

Specialist classification: Oncology examination classification: immune examination

Applicable gender: whether men and women apply fasting: not fasting

Tips: Actively cooperate with the doctor during the examination. Normal value

<1:5. (Immunase method).

Clinical significance

Elevated in nasopharyngeal carcinoma. Bronchial lung cancer, thyroid cancer, chronic nasopharyngeal inflammation, infectious mononucleosis, African childhood lymphoma, and Hodgkin's disease are associated with EB virus infection.


(1) The positive coincidence rate of nasopharyngeal carcinoma is about 93%.

(2) About 3.4% of healthy people can also be positive.

Inspection process

1. Take blood.

2. Laboratory tests.

Not suitable for the crowd

There are no taboos.

Adverse reactions and risks

There are no related complications and hazards.