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Human herpesvirus 6 (HHV-6) is the common collective name for human herpesvirus 6A (HHV-6A) and human herpesvirus 6B (HHV-6B). These closely related viruses are two of the nine known herpesviruses that have humans as their primary host. [1]
Human herpesvirus 6B affects humans. Primary infection with this virus is the cause of the common childhood illness exanthema subitum (also known as roseola infantum or sixth disease). Additionally, reactivation is common in transplant recipients, which can cause several clinical manifestations such as encephalitis , bone marrow suppression ...
Nine herpesvirus types are known to primarily infect humans, [7] at least five of which are extremely widespread among most human populations, and which cause common diseases: herpes simplex 1 and 2 (HSV-1 and HSV-2, also known as HHV-1 and HHV-2; both of which can cause orolabial and genital herpes), varicella zoster (VZV or HHV-3; the cause ...
Human herpesvirus 6 (HHV-6) is a set of two closely related herpes viruses known as HHV-6A and HHV-6B that infect nearly all human beings, typically before the age of two. The acquisition of HHV-6 in infancy is often symptomatic, resulting in childhood fever, diarrhea, and exanthem subitum rash (commonly known as roseola).
Human herpesvirus 7 (HHV-7) Human cytomegalovirus (HCMV, HHV-5) "seems to have a large impact on immune parameters in later life and may contribute to increased morbidity and eventual mortality." [5] Human herpesvirus 6A (HHV-6A) has been described as more neurovirulent, [6] and as such is more frequently found in patients with ...
It is caused by human herpesvirus 6 (HHV-6A, HHV-6B) or human herpesvirus 7 (HHV-7). [1] Spread is usually through the saliva of those who are otherwise healthy. [1] [2] However, it may also spread from the mother to the baby during pregnancy. [1] Diagnosis is typically based on symptoms and does not need to be confirmed with blood tests (PCR ...
The names of realms consist of a descriptive first part and the suffix -viria, which is the suffix used for virus realms. [1] The first part of Duplodnaviria means "double DNA", referring to dsDNA viruses, [2] the first part of Monodnaviria means "single DNA", referring to ssDNA viruses, [3] the first part of Riboviria is taken from ribonucleic acid (RNA), [4] and the first part of ...
Gammaherpesviruses are of primary interest due to the two human viruses, EBV (Epstein–Barr virus) and KSHV (Kaposi's sarcoma-associated herpesvirus) and the diseases they cause. The gammaherpesviruses replicate and persist in lymphoid cells but some are capable of undergoing lytic replication in epithelial or fibroblast cells.