An Adult Case of Relapsing Human Herpesvirus-6 Encephalitis

Jun Sawada; Setsu Nakatani-Enomoto; Hitoshi Aizawa; Takayuki Katayama; Takashi Ito; Yoko Aburakawa; Kenjiro Kikuchi

doi:10.2169/internalmedicine.46.0239

CASE REPORTS

An Adult Case of Relapsing Human Herpesvirus-6 Encephalitis

Jun Sawada, Setsu Nakatani-Enomoto, Hitoshi Aizawa, Takayuki Katayama, Takashi Ito, Yoko Aburakawa, Kenjiro Kikuchi

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Keywords: human herpesvirus-6 (HHV-6), relapse, encephalitis, immunocompetent

JOURNAL OPEN ACCESS

2007 Volume 46 Issue 18 Pages 1617-1620

DOI https://doi.org/10.2169/internalmedicine.46.0239

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Abstract

Human herpesvirus-6 (HHV-6) is the main etiologic agent of exanthema subitum in young children. Central nervous system (CNS) infections in children due to HHV-6 have been described on many occasions. HHV-6 is also a common cause of infections in immunocompromised individuals. However, little is known concerning the impact of HHV-6 on the CNS in immunocompetent adults. We report the first case of relapsing HHV-6 encephalitis in a healthy 73-year-old female.

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