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Updated: Aug 30, 2026

Separation of Immune Cell Subpopulations in Peripheral Blood Samples from Children with Infectious Mononucleosis
Published on: September 7, 2022
Infectious mononucleosis
1Victorian Infectious Disease Reference Laboratory, North Melbourne, Victoria. patrick.charles@mh.org.au
Background:
Infectious mononucleosis is caused by the ubiquitous Epstein-Barr virus. It is a common condition usually affecting adolescents and young adults. Most cases are mild to moderate in severity with full recovery taking place over several weeks. More severe cases and unusual complications occasionally occur.
Objective:
After presenting a case of severe infectious mononucleosis, the spectrum of disease is given. Diagnosis and complications are reviewed as well as management including the possible role for antiviral medications or corticosteroid therapy.
Discussion:
The majority of cases of infectious mononucleosis are self limiting and require only supportive care. More severe cases, although unusual, may require admission to hospital and even to an intensive care unit. Corticosteroid therapy may be indicated for severe airway obstruction or other severe complications, but should be avoided unless the benefits outweigh potential risks. Antiviral therapy has no proven benefit.
Insights
Most infectious mononucleosis cases resolve with supportive care. Severe cases may need hospitalization, with corticosteroids used cautiously for complications, while antiviral therapy offers no proven benefit.
Area of Science:
- Infectious Diseases
- Virology
- Immunology
Background:
- Infectious mononucleosis is a common illness caused by Epstein-Barr virus (EBV), primarily affecting adolescents and young adults.
- While typically mild to moderate, EBV can lead to severe cases and rare complications.
Observation:
- This review presents a case of severe infectious mononucleosis to illustrate the disease spectrum.
- Diagnostic approaches, potential complications, and management strategies are discussed.
Findings:
- The majority of infectious mononucleosis cases are self-limiting, requiring only supportive care.
- Severe manifestations may necessitate hospital admission, potentially including intensive care.
- Corticosteroid therapy is reserved for severe complications like airway obstruction, balancing risks and benefits.
- Antiviral medications have demonstrated no proven efficacy in treating infectious mononucleosis.
Implications:
- Understanding the spectrum of infectious mononucleosis is crucial for appropriate patient management.
- Judicious use of corticosteroids is advised for severe complications, avoiding unnecessary risks.
- Current evidence does not support antiviral therapy for infectious mononucleosis, emphasizing supportive care.
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