Related Experiment Video

Updated: Jul 13, 2026

Separation of Immune Cell Subpopulations in Peripheral Blood Samples from Children with Infectious Mononucleosis
08:44

Separation of Immune Cell Subpopulations in Peripheral Blood Samples from Children with Infectious Mononucleosis

Published on: September 7, 2022

Clinical features and viral serologies in children with multiple sclerosis: a multinational observational study

Brenda Banwell1, Lauren Krupp, Julia Kennedy

  • 1Division of Neurology, The Hospital for Sick Children, University of Toronto, ON, Canada. brenda.banwell@sickkids.ca

The Lancet. Neurology
|August 11, 2007
PubMed

Insights

Pediatric multiple sclerosis (MS) is typically relapsing-remitting, with symptoms varying by age. Epstein-Barr virus (EBV) infection may play a role in childhood MS.

Area of Science:

  • Neurology
  • Immunology
  • Pediatrics

Background:

  • The clinical spectrum and triggers of pediatric multiple sclerosis (MS) require further characterization.
  • Understanding demographic and viral factors is crucial for managing childhood MS.

Purpose of the Study:

  • To investigate clinical manifestations, outcomes, and potential viral associations in pediatric multiple sclerosis.
  • To identify factors influencing disease presentation and progression in children with MS.

Main Methods:

  • A multinational study involving 137 children with MS and 96 controls.
  • Data collection included clinical-demographic interviews, academic performance review, physical exams, disability assessments, and serological assays for common viruses.
  • Specific focus on IgG antibodies against Epstein-Barr virus (EBV), cytomegalovirus, parvovirus B19, varicella zoster virus, and herpes simplex virus.

Main Results:

  • Pediatric MS predominantly presented as relapsing-remitting (99%).
  • ADEM-like presentations were more common in younger children (under 10 years).
  • 13% developed permanent disability within 5 years; 17% experienced impaired academic performance.
  • A significant association was found between pediatric MS and remote Epstein-Barr virus (EBV) infection (86% vs. 64% in controls).

Conclusions:

  • Pediatric MS is primarily a relapsing-remitting condition with age-dependent onset features.
  • Epstein-Barr virus (EBV) exposure is a potential factor in the pathobiology of childhood MS.
  • Further research into EBV's role in pediatric MS is warranted.
Abstract

More Related Videos

Magnetic Resonance Imaging of Multiple Sclerosis at 7.0 Tesla08:51

Magnetic Resonance Imaging of Multiple Sclerosis at 7.0 Tesla

Published on: February 19, 2021

Modeling Multiple Sclerosis in the Two Sexes: MOG35-55-Induced Experimental Autoimmune Encephalomyelitis05:44

Modeling Multiple Sclerosis in the Two Sexes: MOG35-55-Induced Experimental Autoimmune Encephalomyelitis

Published on: October 13, 2023

Related Concept Videos

Multiple Sclerosis l: Introduction01:19

Multiple Sclerosis l: Introduction

Multiple sclerosis is a chronic autoimmune disease of the central nervous system (CNS) that affects the brain, spinal cord, and optic nerves. It is an inflammatory demyelinating disorder and a leading cause of neurological disability in young adults.EpidemiologyMS commonly begins between 20 and 40 years of age and is twice as common in women. Its exact cause remains unclear, but genetic susceptibility contributes, with higher risk in first-degree relatives and identical twins. A greater...
Cytomegalovirus Disease01:27

Cytomegalovirus Disease

Cytomegalovirus (CMV) disease is caused by human cytomegalovirus, a double-stranded DNA virus of the Herpesviridae family. While primary CMV infection is often asymptomatic in immunocompetent individuals, the virus can cause severe disease in neonates and immunocompromised patients. CMV is the most common cause of congenital viral infection in the United States, and a major pathogen in solid organ and hematopoietic stem cell transplant recipients.CMV is transmitted via bodily fluids, sexual...
Viral Meningitis01:18

Viral Meningitis

Viral meningitis is the most common form of meningitis and is often referred to as aseptic meningitis to indicate the absence of bacterial involvement. It is generally milder than bacterial meningitis, with symptoms including fever, headache, stiff neck, drowsiness, nausea, photophobia, and vomiting. Rarely, more severe manifestations or death may occur. Common causative agents include enteroviruses, particularly coxsackie A and B viruses and echoviruses, all members of the Enterovirus genus...
Arboviral Encephalitis01:25

Arboviral Encephalitis

Arboviral encephalitis refers to brain inflammation caused by arthropod-borne viruses, particularly those transmitted through mosquito vectors. Among these, West Nile virus (WNV), a member of the Flaviviridae family, is a significant public health concern. WNV is an enveloped, positive-sense, single-stranded RNA virus. Human infection typically begins when an infected mosquito introduces the virus into the dermis during feeding. The primary transmission cycle involves birds as amplifying hosts...
Poliomyelitis01:17

Poliomyelitis

Poliomyelitis is caused by poliovirus, a small, non-enveloped, positive-sense RNA virus of the Picornaviridae family and Enterovirus genus. Transmission occurs primarily via the fecal-oral route, often through ingestion of contaminated water or food. The virus initially replicates in the oropharynx and intestinal mucosa, particularly in lymphoid tissues such as the tonsils, Peyer’s patches, and regional lymph nodes. Primary viremia follows, allowing dissemination throughout the body.In most...
Rheumatic Heart Disease II: Clinical Manifestations and Diagnostic Studies01:22

Rheumatic Heart Disease II: Clinical Manifestations and Diagnostic Studies

The key clinical manifestations of Rheumatic heart disease (RHD) include several distinct cardiac symptoms.Carditis, a hallmark of acute rheumatic fever, involves inflammation of the heart's endocardium, myocardium, and pericardium. Chronic RHD often results from recurrent episodes of carditis. Its symptoms include the following:Murmurs are caused by valvular damage, especially to the mitral and aortic valves. Mitral stenosis or regurgitation is common, with characteristic heart murmurs...