Difference between revisions of "Flaviviridae"

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#REDIRECT[[:Category:Flaviviridae]]
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|linkpage =Viruses
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|linktext =VIRUSES
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|pagetype=Bugs
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<br>
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=Introduction=
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This group of viruses has three distinct genera, two of which are of veterinary concern.  Flaviviruses, which are endemic vector-borne neurotropic viruses, include louping ill and West Nile Virus.  Pestiviruses include Swine Fever and Bovine Virus Diarrhoea and present more hemorrhagic disease.  Hepatitis C in man is also grouped in this classification.
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=Morphology=
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*Medium sized enveloped viruses
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=Types and Subtypes=
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=='''Flavivirus'''==
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===[[Louping Ill]]===
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===[[West Nile Virus]]===
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=='''Pestiviruses'''==
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===[[Classical Swine Fever]]===
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===[[Border Disease Virus]]===
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===[[Bovine Virus Diarrhoea Virus]]===
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==Pestiviruses==
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[[Cavity & Gingiva - Pathology#Bovine Viral Diarrhoea / Mucosal Disease|Bovine Viral Diarrhoea & Mucosal Disease Virus]] may also contribute to [[Respiratory Bacterial Infections - Pathology#Enzootic pneumonia of calves|Enzootic pneumonia of calves]], may cause [[Bones Developmental - Pathology#Retention of elongated primary trabeculae|growth retardation lattice]]
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[[Intestines Ulcerative Enteritis - Pathology#Swine Fever|Swine Fever Virus]]
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*'''Border Disease'''
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**In sheep
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**Virus crosses placenta
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**Tropism for foetal lymphoid, hair follicle and CNS tissue
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**Lambs born weak, small
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**Hairy shaker syndrome
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**[[Skin Congenital and Hereditary - Pathology#Hypertrichosis|Hair rather than wool coats]] and cerebellar hypoplasia

Revision as of 08:53, 21 October 2008



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VIRUSES




Introduction

This group of viruses has three distinct genera, two of which are of veterinary concern. Flaviviruses, which are endemic vector-borne neurotropic viruses, include louping ill and West Nile Virus. Pestiviruses include Swine Fever and Bovine Virus Diarrhoea and present more hemorrhagic disease. Hepatitis C in man is also grouped in this classification.

Morphology

  • Medium sized enveloped viruses

Types and Subtypes

Flavivirus

Louping Ill

West Nile Virus

Pestiviruses

Classical Swine Fever

Border Disease Virus

Bovine Virus Diarrhoea Virus

Pestiviruses

Bovine Viral Diarrhoea & Mucosal Disease Virus may also contribute to Enzootic pneumonia of calves, may cause growth retardation lattice


Swine Fever Virus


  • Border Disease
    • In sheep
    • Virus crosses placenta
    • Tropism for foetal lymphoid, hair follicle and CNS tissue
    • Lambs born weak, small
    • Hairy shaker syndrome
    • Hair rather than wool coats and cerebellar hypoplasia