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Updated: Aug 30, 2026

Ex Vivo Infection of Murine Epidermis with Herpes Simplex Virus Type 1
Published on: August 24, 2015
Human herpesvirus 6
S Dewhurst1, D Skrincosky, N van Loon
1Department of Microbiology and Immunology, and Cancer Center, University of Rochester Medical Center, 575 Elmwood Avenue, Box 672, Rochester, NY 14642, USA. dwrt@bphvax.biophysics.rochester.edu
Insights
Human herpesvirus 6 (HHV-6) infects most children and persists lifelong. This review critically summarizes research on HHV-6, including its variants and associated illnesses.
Area of Science:
- Virology
- Immunology
- Neurology
Background:
- Human herpesvirus 6 (HHV-6) is a widespread T-lymphotropic virus infecting nearly all children by age two.
- Two variants, HHV-6A and HHV-6B, exist, with HHV-6B commonly causing febrile illnesses like roseola in young children.
- HHV-6 is implicated in neurological disorders (encephalitis, seizures) and potentially in AIDS, MS, and CFIDS.
Purpose of the Study:
- To provide a critical summary of current research on Human herpesvirus 6 (HHV-6).
Main Methods:
- Literature review of studies on HHV-6.
- Analysis of research on HHV-6 variants (HHV-6A and HHV-6B).
- Examination of associations between HHV-6 and various diseases.
Main Results:
- HHV-6 establishes lifelong infection in humans.
- HHV-6B is a significant cause of pediatric febrile illness, including roseola.
- Evidence suggests HHV-6 involvement in neurological conditions and immune-related diseases.
Conclusions:
- HHV-6 is a clinically significant virus with diverse manifestations.
- Further research is warranted to understand HHV-6's role in chronic and neurological diseases.
- Understanding HHV-6 pathogenesis is crucial for developing targeted therapies.
Abstract:
Human herpesvirus 6 (HHV-6) is a T-lymphotropic herpesvirus, which infects almost all children by the age of two years and persists lifelong. Two distinct variants of HHV-6, HHV-6A and HHV-6B, have been described, and the latter has been shown to be a common cause of acute febrile illnesses in young children, including exanthem subitum (roseola). HHV-6 has also been associated with a number of neurological disorders, including encephalitis and seizures, and the virus has been postulated to play a role in acquired immunodeficiency syndrome (AIDS), multiple sclerosis (MS) and chronic fatigue immunodeficiency syndrome (CFIDS). This review provides a critical summary of research conducted on HHV-6.
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