It has an incubation period of approximately 10–12 days, and clinical disease begins with symptoms of fever ... Laboratory diagnosis of HHV-6 and -7 infections is difficult owing to the limited ...

Encephalitis, an acute inflammatory disorder of the brain, manifests with a variety of symptoms such as fever ... Human herpesvirus 6 (HHV-6) has recently emerged as a neurotropic virus implicated ...

Although it’s rare, older children and adults can also get it ... Most often, it’s caused by human herpesvirus 6 (HHV-6). Occasionally, it’s caused by human herpesvirus 7 (HHV-7).