Epstein-Barr virus and infectious mononucleosis in children
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Updated: Aug 3, 2026

Establishment of Epstein-Barr Virus Growth-transformed Lymphoblastoid Cell Lines
Published on: November 8, 2011
Insights
IgG antibodies to Epstein-Barr virus (EBV) were found in most children in an institution with suspected infectious mononucleosis (IMN). This suggests EBV antibody testing is reliable for diagnosing IMN in young children.
Area of Science:
- Pediatrics
- Immunology
- Virology
Background:
- Epstein-Barr virus (EBV) is a common human herpesvirus.
- Infectious mononucleosis (IMN) is a common clinical syndrome, particularly in adolescents and young adults.
- Diagnosing IMN in early childhood can be challenging due to non-specific symptoms.
Purpose of the Study:
- To investigate the presence of IgG antibodies to Epstein-Barr virus (EBV) in young children.
- To evaluate the reliability of EBV antibody detection for diagnosing infectious mononucleosis (IMN) in early childhood.
Main Methods:
- Study included two groups of children aged 3 to 35 months.
- Test group: 31 children from an institution with suspected IMN.
- Control group: 54 children with noninfectious diseases.
Main Results:
- 29 out of 31 children (93.5%) in the test group were positive for IgG anti-EBV antibodies.
- Only 5 out of 54 children (9.3%) in the control group were positive for IgG anti-EBV antibodies.
- None of the children in the test group had detectable heterophile antibodies, and most lacked typical IMN symptoms.
Conclusions:
- High prevalence of IgG anti-EBV antibodies in children with suspected IMN indicates EBV infection.
- Detection of anti-EBV serum antibody levels is a reliable method for diagnosing IMN in early childhood.
- Clinical diagnosis of IMN in young children may be difficult without serological confirmation.
Abstract:
The presence of IgG antibodies to Epstein-Barr virus (EBV) has been investigated in two groups of children aged 3 to 35 months. The test group consisted of 31 children from an institution in which a high incidence of suspected infectious mononucleosis (IMN) was found. The control group comprised 54 children, aged 1 to 26 months, with noninfectious diseases. In the test group, 29 of the 31 children were positive for IgG anti-EBV antibodies in the serum, whereas only 5 children were positive in the control group. None of the children in the test group had detectable heterophile antibodies, and most of them did not show the typical symptoms of IMN. The reliability of diagnosing IMN in early childhood, by means of detection of anti-EBV serum antibody levels, is discussed.
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