Volume 5, Number 3—June 1999
Synopsis
Human Herpesvirus 6: An Emerging Pathogen
Table
Epidemiology and distribution of human herpesvirus (HHV-6) variants
Variant | A Variant B | |
---|---|---|
Associated pathologic conditions | ||
Exanthem subitum febrile syndromesb | _a | ++++ |
Multiple sclerosis | ++ | ++ |
Lymphomas and neoplasies | ++ | ++ |
Reactivation in transplants | ++ | ++ |
Reactivation in AIDS | ++ | ++ |
Tissue distribution | ||
Peripheral blood mononuclear cells | + | +++ |
Salivary glands | _ | ++++ |
Skin | ++ | ++ |
Brain | ++ | ++ |
Lymph nodes | _ | ++++ |
Other tissues | _ | ++++ |
Serum from healthy persons | _ | _ |
Serum from exanthem subitum patients | _ | ++++ |
Serum from other patientsc | +++ | + |
Saliva | _ | ++++ |
Cerebrospinal fluid | +++ | + |
aDifferent degrees of HHV-6 positivity.
bException, Zambian children, 44% variant A.
cPatients with AIDS, chronic fatigue syndrome, and lymphomas.