Varicellovirus
| Varicellovirus | |
|---|---|
| Virus classification | |
| Group: | Group I (dsDNA) |
| Order: | Herpesvirales |
| Family: | Herpesviridae |
| Subfamily: | Alphaherpesvirinae |
| Genus: | Varicellovirus |
| Type species | |
|
Varicella zoster virus |
|
| Species | |
|
Bovine herpesvirus 1 |
|
Bovine herpesvirus 1
Bovine herpesvirus 5
Bubaline herpesvirus 1
Canine herpesvirus 1
Caprine herpesvirus 1
Cercopithecine herpesvirus 9
Cervine herpesvirus 1
Cervine herpesvirus 2
Equine herpesvirus 1
Equine herpesvirus 3
Equine herpesvirus 4
Equine herpesvirus 8
Equine herpesvirus 9
Feline herpesvirus 1
Varicella zoster virus
Simian varicella virus
Phocine herpesvirus 1
Suid herpesvirus 1
Varicellovirus (var′i-sel′ō-vi′rŭs) is a genus of viruses belonging to subfamily Alphaherpesvirinae, a member of family Herpesviridae. Humans and mammals serve as natural hosts. There are currently 17 species in this genus including the type species Varicella zoster virus (VZV) also known as Human herpes virus 3 (HHV-3). Diseases associated with this genus include: HHV-3 - chickenpox (varicella) and shingles; BoHV-1 - infectious bovine rhinotracheitis/infectious pustular vulvovaginitis (IPV); SuHV-1 (also known as pseudorabies virus) - Aujesky's disease characterized by central nervous system signs (hindleg paralysis, meningoencephalitis), high mortality rates in young animals, and respiratory illness in older pigs.
As with other alphaherpesviruses, the virus particle has a layered structure: Virions consist of an envelope, a tegument, a nucleocapsid, and a core. Tegument is disordered; they do not display a structure and proteins in variable amounts are arranged sometimes in an asymmetric layer located between envelope and capsid. The viral capsid is contained within a spherical envelope which is 120-200 nm in diameter. Surface projections on envelope (viral receptors) are densely dispersed and contain small spikes that evenly dot the surface.
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