human herpesvirus 6

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human her·pes·vi·rus 6

a human herpesvirus that was found in certain lymphoproliferative disorders, replicates in a number of different types of leukocytes, and is associated with the childhood disease roseola (exanthema subitum).

human herpesvirus 6

a T-cell lymphotrophic virus belonging to the subfamily Betaherpesvirinae that has a high affinity for CD4 lymphocytes. It exists as two variants, A and B. Variant A is isolated mainly in immunocompromised individuals. Variant B causes roseola infantum. Most healthy adults carry the virus and are asymptomatic; infection results in lifelong persistence. See also herpesvirus,roseola infantum.

hu·man her·pes·vi·rus 6

(hyū'măn hĕr'pēz-vī'rŭs)
A herpesvirus found in certain lymphoproliferative disorders, and associated with roseola (exanthema subitum).

human herpesvirus 6

The herpes virus that causes the childhood disease roseola infantum (exanthema subitum).