Peer-reviewed veterinary case report
Common viruses causing dog stomach infections and diarrhea
By Dema, Anusha et al.·Published in Archives of virology·2023·Department of Veterinary Biotechnology, India·View original on PubMed →
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Original publication title: A comprehensive molecular survey of viral pathogens associated with canine gastroenteritis.
- Species:
- dog
Plain-English summary
A study found that viral infections are a major cause of gastroenteritis (inflammation of the stomach and intestines) in dogs. Researchers tested 475 dogs with gastroenteritis and discovered that the most common virus was canine parvovirus (CPV-2), found in nearly 65% of the samples. Other viruses like canine distemper and canine coronavirus were also present but less frequently. Interestingly, many vaccinated dogs still tested positive for these viruses, indicating that vaccination alone may not be enough to prevent these infections. Regular testing for these viruses can help improve vaccination strategies and protect dogs from gastroenteritis.
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Abstract
Viral pathogens are the primary cause of canine gastroenteritis. However, few structured comprehensive studies on the viral etiology of canine gastroenteritis have been conducted. In this study, 475 rectal swabs collected over three years (2018-2021) from clinical canine gastroenteritis cases were screened for the presence of six major enteric viruses - canine parvovirus 2 (CPV-2), canine distemper virus (CDV), canine adenovirus 2 (CAdV-2), canine coronavirus (CCoV), canine astrovirus (CaAstV), and canine rotavirus (CRV) - by real-time PCR. The most frequently detected virus was CPV-2, which was present in 64.8% of the samples (subtype 2a, 21.1%; 2b, 77.4%; 2c, 1.5%), followed by CDV (8%), CaAstV (7.2%), CCoV (5.9%), and CAdV-2 (4.6%). Two to four of these viruses in different combinations were found in 16.8% of the samples, and CRV was not detected. The complete genome sequences of Indian isolates of CDV, CCoV, and CaAstV were determined for the first time, and phylogenetic analysis was performed. This study highlights the need for routine prophylactic vaccination with the appropriate vaccines. Notably, 70.3% of animals vaccinated with DHPPiL were found to be positive for at least one virus. Hence, regular molecular analysis of the prevalent viruses is crucial for addressing vaccination failures.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/36609588/