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Updated: Aug 10, 2026

Separation of Immune Cell Subpopulations in Peripheral Blood Samples from Children with Infectious Mononucleosis
Published on: September 7, 2022
[The influence of mononucleosis infection on atopic disease development in children]
Anna Stańczyk-Przyłuska1, Anna Szmidt, Piotr Kuna
1Klinika Propedeutyki Pediatrii i Chorób Metabolicznych Kości Uniwersytetu Medycznego w Lodzi.
Abstract:
The aim of the study was to determine whether infectious mononucleosis may trigger atopic symptoms or modulate their clinical course. Data from literature point out to such a relationship and attribute it to the influence of EBV on lymphocytes B and IL-4,IL-5,IL-10 and vIL-10 secretion stimulation. The authors examined 30 children who had suffered from symptomatic infectious mononucleosis 2-4 years previously, evaluating symptoms of allergic diseases and performing skin prick tests with selected inhalant and food allergens. The symptoms of atopic disease were found in 57 % in the mononucleosis group, a significantly higher percentage (p<0.0001) than in general population of children in Lódź (16%). The frequency of positive skin prick tests with common allergens was also significantly higher (60% vs 27%, respectively).
Insights
Infectious mononucleosis, caused by Epstein-Barr virus (EBV), may trigger or worsen atopic symptoms in children. Children with prior mononucleosis showed significantly higher rates of allergic disease symptoms and positive allergy tests.
Area of Science:
- Pediatric Allergy and Immunology
- Infectious Diseases
- Immunology
Context:
- Infectious mononucleosis, often caused by Epstein-Barr virus (EBV), is a common childhood illness.
- Previous research suggests a link between EBV infection and atopic diseases, possibly due to its effects on B lymphocytes and cytokine production (IL-4, IL-5, IL-10, vIL-10).
Purpose:
- To investigate if infectious mononucleosis can initiate or alter the clinical presentation of atopic symptoms in children.
- To evaluate the long-term effects of symptomatic infectious mononucleosis on the development of allergic diseases.
Summary:
- A study examined 30 children 2-4 years after symptomatic infectious mononucleosis.
- Participants underwent evaluation for allergic disease symptoms and skin prick testing for common allergens.
- Children who had experienced mononucleosis exhibited a significantly higher prevalence of atopic disease symptoms (57%) compared to the general pediatric population (16%).
- The frequency of positive skin prick tests was also significantly elevated in the mononucleosis group (60%) versus controls (27%).
Impact:
- Findings suggest a significant association between prior infectious mononucleosis and increased risk or manifestation of atopic diseases in children.
- This highlights the potential role of EBV in immune system modulation leading to allergic conditions.
- Results indicate a need for further research into the immunological mechanisms linking EBV and atopy.
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