Survey of Dogs in Japan for Group 2 Canine Coronavirus Infection

Yachi, Akiko; Mochizuki, Masahito

doi:10.1128/jcm.02397-05

Cited by 39 publications

(48 citation statements)

References 17 publications

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“…Group 2 CRCoV, recently isolated in England as a new ITB pathogen closely related to bovine coronavirus [20], was again found to be associated with the diseased puppy in the present study. CRCoV infection was already confirmed in Japanese domestic dogs both seroepidemiologically [26] and molecular epidemiologically [43]. The present No.…”

Section: Discussionsupporting

confidence: 61%

“…Group 1 CCoV was detected by the Taq Man PCR assay described by Gut et al [23]. Group 2 CRCoV was detected by the RT-PCR assay that targets the hemagglutinin-esterase gene of group 2 coronavirus by the methods described recently [43].…”

Section: Methodsmentioning

confidence: 99%

“…Sequence and phylogenetic analyses: Genetic analysis of the spike protein (S) gene of CRCoV was performed by the method described recently [43]. Genetyx-Win version 4.0 (Software Development Co., Tokyo) and ClustalX version 2.0 were used to produce multiple alignments and phylogenetic trees [27].…”

Section: Detection Of Bordetella Bronchiseptica By Pcr Assaymentioning

confidence: 99%

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Etiologic Study on Upper Respiratory Infections of Household Dogs

Mochizuki

Yachi²,

Ohshima

et al. 2008

J. Vet. Med. Sci.

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ABSTRACT. Infectious tracheobronchitis (ITB), also known as the kennel cough, is a respiratory syndrome of dogs and usually appears to be contagious among dogs housed in groups. Etiologic agent of ITB is multiple and sometimes complex. In the present study, 68 household dogs showing clinical signs of respiratory infection were examined, and 20 dogs (29.4%) were found to be positive for either of following agents. Bordetella bronchiseptica (B.b.) was most frequently detected from nasal and oropharynx sites of 7 dogs (10.3%). Among the viruses examined, canine parainfluenza virus (CPIV) was detected with the highest frequency (7.4%). Other pathogens included in the order of frequency group 1 canine coronavirus (4.4%), canine adenovirus type 2 (2.9%), group 2 canine respiratory coronavirus (1.5%), and canine distemper virus (1.5%). Only 2 cases showed mixed infections. Neither influenza A virus nor canine bocavirus (minute virus of canines) was found in any dogs examined. These results indicate that both B.b. and CPIV are likely to be the principal etiologic agents of canine ITB in Japan, and they may be considered as the target for prophylaxis by vaccination. KEY WORDS: Bordetella bronchiseptica, canine parainfluenza virus, canine respiratory coronavirus, infectious tracheobronchitis, kennel cough.

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Section: Discussionsupporting

confidence: 61%

Section: Methodsmentioning

confidence: 99%

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Etiologic Study on Upper Respiratory Infections of Household Dogs

Mochizuki

Yachi²,

Ohshima

et al. 2008

J. Vet. Med. Sci.

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“…We also reported that the known group 1 coronaviruses (CCoV) that cause enteritis and an unknown group 2 coronavirus were prevalent in domestic dogs in Japan [8]. Compatible results in a survey of dogs in Japan for group 2 canine coronavirus infection were also reported by Yachi and Mochizuki [18].…”

mentioning

confidence: 57%

The Infectivity and Pathogenicity of a Group 2 Bovine Coronavirus in Pups

Kaneshima

Hohdatsu

Hagino

et al. 2007

The Journal of Veterinary Medical Science

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ABSTRACT. Canine respiratory coronavirus (CRCoV), which is more closely related to the bovine coronavirus (BCoV), has recently been detected in dogs. In this study, we examined whether BCoV was capable of infecting and exhibiting pathogenicity in dogs. Three 1-month-old pups were oronasally given field isolates of BCoV, and were kept together with 2 control animals. As a result, increases in BCoV-neutralizing antibody titers were confirmed in all pups in the challenged and control groups. Moreover, the virus gene was also detected in oral and rectal swabs by RT-PCR. These results indicate that BCoV infects dogs, and easily infects other dogs that are kept together. However, no clinical symptoms such as respiratory symptoms and diarrhea were observed.

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“…CRCoV is a novel pathogen detected in the respiratory tract of dogs suffering from severe respiratory disease but itself is thought only to be associated with subclinical or asymptomatic disease [7]. To date, few CRCoV strains have been isolated from a small number of countries: the United Kingdom (n=2), Japan (n=2), Italy (n=1), and Korea (n=3) [1,6,12,17]. Antibodies against CRCoV are common in canine populations in the United Kingdom (36.2%), Republic of Ireland (30.3%), USA (54.7%), Japan (17.8%), Italy (32.1%), and New Zealand (29%) [4,9,10,13].…”

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confidence: 99%

A Serological Survey of Canine Respiratory Coronavirus and Canine Influenza Virus in Korean Dogs

Jeoung

Jeong

et al. 2010

The Journal of Veterinary Medical Science

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ABSTRACT. The relationship between canine respiratory coronavirus (CRCoV) and canine influenza virus (CIV) seropositivity in dogs in Korea was examined. Sixty-two of the 483 samples (12.8%) were seropositive for CRCoV by indirect fluorescent antibody (IFA) analysis. Nineteen animals were seropositive for CIV by ELISA out of the 385 samples tested. Serum antibodies for both viruses were detected in 6 of the 483 dogs sampled, suggesting that these viruses are present in dogs in Korea. Although the role of CRCoV in canine infectious tracheobronchitis has not been fully elucidated, co-infection with CIV may synergistically worsen respiratory clinical signs and result in more severe canine tracheobronchitis.

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Survey of Dogs in Japan for Group 2 Canine Coronavirus Infection

Cited by 39 publications

References 17 publications

Etiologic Study on Upper Respiratory Infections of Household Dogs

Etiologic Study on Upper Respiratory Infections of Household Dogs

The Infectivity and Pathogenicity of a Group 2 Bovine Coronavirus in Pups

A Serological Survey of Canine Respiratory Coronavirus and Canine Influenza Virus in Korean Dogs

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