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Viruses and virus-like particles in the faeces of dogs with and without diarrhoea
Authors:J A MARSHALL  D S HEALEY  M J STUDDERT†  P C SCOTT‡  M L KENNETT  B K WARD  I D GUST
Institution:*Fairfield Hospital, Fairfield, Victoria 3078;?School of Veterinary Science, University of Melbourne, Parkville, Victoria 3052;?Worthington Biochemical Corp, Freehold, New Jersey, t;Veterinary Research Institute, Parkville, Victoria 3052 United States of America
Abstract:Negative staining electron microscopy was used to identify viruses in 157 normal and 29 diarrhoeal faecal samples collected from 156 dogs admitted to an animal shelter during an 8 month period (March to October) in 1982. Seven distinct viral types were detected: 21-26 nm parvovirus-like particles, 28-31 nm astrovirus-like particles, a previously undescribed 34-35 nm "round" virus particle, coronavirus, coronavirus-like particles ( CVLP ), rotavirus and papova-like virus. Parvovirus-like particles alone were detected in 14 diarrhoeal and 50 normal faeces, astrovirus-like particles in 3 normal faeces, "round" viruses in 4 normal faeces, coronavirus in 2 diarrhoeal and 5 normal faeces, CVLP in one diarrhoeal and one normal faeces, rotavirus in 2 normal faeces, papova-like virus in one normal faeces, both parvovirus-like particles and coronavirus in 2 diarrhoeal and 2 normal faeces, parvovirus-like particles and rotavirus in one normal faeces and parvovirus-like and papova-like virus in one normal faeces. The significance of these findings in canine and human disease is discussed.
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