Peer-reviewed veterinary case report
Detection of gut viruses in healthy and sick dogs in India
By Antiya, Sejal P et al.·Published in Comparative immunology, microbiology and infectious diseases·2025·Department of Veterinary Microbiology, India·View original on PubMed →
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Original publication title: Molecular detection of enteric viruses in symptomatic and asymptomatic dogs in Gujarat, India.
- Species:
- dog
Plain-English summary
A study in India found that a significant number of dogs with diarrhea tested positive for various viruses, including canine parvovirus (CPV), which was the most common at nearly 96% of cases. Other viruses like canine distemper virus (CDV) and canine astrovirus (CaAstV) were also detected. Interestingly, some healthy dogs carried these viruses too, though at lower rates. The research highlighted that even vaccinated dogs could still be infected with these viruses. This information can help veterinarians better understand and treat viral gastroenteritis in dogs.
People also search for: dog diarrhea causes · canine parvovirus treatment · dog vaccines effectiveness · why is my dog vomiting · canine distemper virus symptoms
Abstract
In the recent past, canine astrovirus (CaAstV) and SARS-CoV-2 have emerged as newly identified agents contributing to canine viral gastroenteritis alongside established pathogens viz. canine coronavirus (CCoV), canine parvovirus (CPV), and canine distemper virus (CDV). To study the molecular epidemiology of these viruses in India, faecal samples (n = 168) were collected from diarrhoeic and healthy dogs and history of animals was recorded. Viruses were identified with real-time PCR using virus-specific primers. Sequencing of CaAstV and CPV positive amplicons was done for confirmation of diagnosis and to know the prevalent strains/variants of viruses in the study area, respectively. 75.60 % (127/168) of the samples were positive for intended viruses, and CPV-2 (73.80 %) was found as the most prevalent virus, followed by CDV (11.90 %), CaAstV (5.95 %), SARS-CoV-2(3.57 %) and CCoV (1.19 %). In clinically healthy dogs, CPV-2, CDV, CaAstV, SARS-CoV2 and CCoV were recorded in 57.73 %, 7.21 %, 3.09 %, 1.03 % and 0 % of samples, respectively. In diarrhoeic dogs, the prevalence of CPV-2, CDV, CaAstV, SARS-CoV2, and CCoV was found to be 95.77 %, 18.30 %, 9.86 %, 7.04 % and 2.81 %, respectively. Co-infections were present in 27.56 % (35/127) of the positive samples, CPV-2 and CDV formed the most prevalent combination. CDV and CPV infection was also seen in incompletely or fully vaccinated dogs.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/40381481/