Common viruses associated with lower pediatric multiple sclerosis risk

E. Waubant*, E. M. Mowry, L. Krupp, T. Chitnis, E. A. Yeh, N. Kuntz, J. Ness, D. Chabas, J. Strober, J. McDonald, A. Belman, M. Milazzo, M. Gorman, B. Weinstock-Guttman, M. Rodriguez, J. R. Oksenberg, J. A. James

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

121 Scopus citations


Background: Because common viruses are encountered during childhood, pediatric multiple sclerosis (MS) offers a unique opportunity to investigate the influence of these viruses on disease susceptibility and the interactions between seroprevalence and select HLA genotypes. We studied seroprevalence for Epstein-Barr virus (EBV), cytomegalovirus (CMV), and herpes simplex virus (HSV) type 1 and HLA-DRB1*1501/1503 status as predictors of pediatric MS. Methods: This was a retrospective analysis of prospectively collected demographic, clinical, and biologic data in subjects up to 18 years of age with early MS, control subjects seen at the same regional referral pediatric MS clinics, and additional healthy pediatric control subjects. Results: Patients with early pediatric MS (n = 189) and pediatric control subjects (n = 66) were tested. Epstein-Barr nuclear antigen-1 seropositivity was associated with an increased odds of MS (odds ratio [OR] 3.78, 95% confidence interval [CI] 1.52-9.38, p = 0.004) in analyses adjusted for age, sex, race, ethnicity, and HLA-DRB1*1501/1503 status. In multivariate analyses including EBV status, a remote infection with CMV (OR 0.27, 95% CI 0.11-0.67, p = 0.004) was associated with a lower risk of developing MS. Although a remote infection with HSV-1 was not associated with an increased odds of MS, a strong interaction was found between HSV-1 status and HLA-DRB1 in predicting MS (p < 0.001). HSV-1 was associated with an increased risk of MS in those without a DRB1*15 allele (OR 4.11, 95% CI 1.17-14.37, p = 0.03), whereas the effect was reversed in those who were DRB1*15-positive (OR 0.07, 95% CI 0.02-0.32, p = 0.001). Conclusions: These findings suggest that some infections with common viruses may in fact lower MS susceptibility. If this is confirmed, the pathways for risk modification remain to be elucidated. Glossary: ADEM: acute disseminated encephalomyelitisCI: confidence intervalCIS: clinically isolated syndromeCMV: cytomegalovirusEBNA: Epstein-Barr nuclear antigenEBV: Epstein-Barr virusHSV: herpes simplex virusIgG: immunoglobulin GMS: multiple sclerosisNMO: neuromyelitis opticaOR: odds ratioSNP: single nucleotide polymorphismVCA: viral capsid antigen.

Original languageEnglish (US)
Pages (from-to)1989-1995
Number of pages7
Issue number23
StatePublished - Jun 7 2011

ASJC Scopus subject areas

  • Clinical Neurology


Dive into the research topics of 'Common viruses associated with lower pediatric multiple sclerosis risk'. Together they form a unique fingerprint.

Cite this