Peer-reviewed veterinary case report
Emerging germs linked to dog respiratory disease in Europe
By Mitchell, Judy A et al.·Published in Veterinary microbiology·2017·Department of Pathobiology and Population Sciences, United Kingdom·View original on PubMed →
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Original publication title: European surveillance of emerging pathogens associated with canine infectious respiratory disease.
- Species:
- dog
Plain-English summary
A large study in Europe found that 66% of dogs, both pets and those in kennels, showed signs of canine infectious respiratory disease (CIRD), which can cause coughing and difficulty breathing. Vaccination against common respiratory viruses helped reduce the severity of the disease, but many vaccinated dogs still got sick. Two emerging pathogens, canine respiratory coronavirus (CRCoV) and canine pneumovirus (CnPnV), were found to be quite common among the dogs, with CRCoV antibodies providing some protection against severe symptoms. However, the presence of CnPnV did not seem to help.
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Abstract
Canine infectious respiratory disease (CIRD) is a major cause of morbidity in dogs worldwide, and is associated with a number of new and emerging pathogens. In a large multi-centre European study the prevalences of four key emerging CIRD pathogens; canine respiratory coronavirus (CRCoV), canine pneumovirus (CnPnV), influenza A, and Mycoplasma cynos (M. cynos); were estimated, and risk factors for exposure, infection and clinical disease were investigated. CIRD affected 66% (381/572) of the dogs studied, including both pet and kennelled dogs. Disease occurrence and severity were significantly reduced in dogs vaccinated against classic CIRD agents, canine distemper virus (CDV), canine adenovirus 2 (CAV-2) and canine parainfluenza virus (CPIV), but substantial proportions (65.7%; 201/306) of vaccinated dogs remained affected. CRCoV and CnPnV were highly prevalent across the different dog populations, with overall seropositivity and detection rates of 47% and 7.7% for CRCoV, and 41.7% and 23.4% for CnPnV, respectively, and their presence was associated with increased occurrence and severity of clinical disease. Antibodies to CRCoV had a protective effect against CRCoV infection and more severe clinical signs of CIRD but antibodies to CnPnV did not. Involvement of M. cynos and influenza A in CIRD was less apparent. Despite 45% of dogs being seropositive for M. cynos, only 0.9% were PCR positive for M. cynos. Only 2.7% of dogs were seropositive for Influenza A, and none were positive by PCR.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/29173585/