Difference between revisions of "Coronaviridae"

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* Coronavirus contributes to [[Intestines Catarrhal Enteritis - Pathology#Undifferentiated Neonatal Calf Diarrhoea|undifferentiated neonatal calf diarrhoea]], a mixed viral enteritis in calves.
 
* Coronavirus contributes to [[Intestines Catarrhal Enteritis - Pathology#Undifferentiated Neonatal Calf Diarrhoea|undifferentiated neonatal calf diarrhoea]], a mixed viral enteritis in calves.
  
* [[Intestines Catarrhal Enteritis - Pathology#Winter Dysentery|Winter dysentery]] in cattle.
 
 
* [[Intestines Granulomatous Enteritis - Pathology#Feline Infectious Peritonitis|Feline Infectious Peritonitis]].
 
* [[Intestines Granulomatous Enteritis - Pathology#Feline Infectious Peritonitis|Feline Infectious Peritonitis]].
*Calf coronavirus may contribute to [[Respiratory Bacterial Infections - Pathology#Enzootic pneumonia of calves|Enzootic pneumonia of calves]]
+
 
 
*Porcine respiratory coronavirus (PRCV) in pig [[Respiratory Viral Infections - Pathology#Porcine respiratory coronavirus (PRCV)|pneumonia]]
 
*Porcine respiratory coronavirus (PRCV) in pig [[Respiratory Viral Infections - Pathology#Porcine respiratory coronavirus (PRCV)|pneumonia]]
 
*Porcine encephalomyelitis, apart from neuronal destruction, may also cause [[Muscles Inflammatory - Pathology#Porcine encephalomyelitis|myofibre necrosis]]
 
*Porcine encephalomyelitis, apart from neuronal destruction, may also cause [[Muscles Inflammatory - Pathology#Porcine encephalomyelitis|myofibre necrosis]]

Revision as of 20:21, 16 October 2008



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VIRUSES



Introduction

Coronaviruses are perhaps most easily identified because of their classic "crown" appearance. They are quite common in the young of most species and can infect a wide range of tissues.

Morphology

  • Large, spherical enveloped RNA viruses
  • Identified by their crowns: long bulbous widely-spaced spikes

Virulence and Pathogenesis

  • Pathogenesis varies widely based on each virus, but most commonly cause respiratory and enteric disturbances
  • Those described here will be the enteric variety

Virus by Species

Transmissible Gastroenteritis Virus of Pigs (TGEV)

Bovine Enteric Coronavirus

Feline Infections Peritonitis (FIP)

  • Porcine respiratory coronavirus (PRCV) in pig pneumonia
  • Porcine encephalomyelitis, apart from neuronal destruction, may also cause myofibre necrosis