Peer-reviewed veterinary case report
Canine parainfluenza virus-5 found in dogs in Baghdad Iraq
By Waheed, Lina Saheed & Al-Graibawi, Mawlood Abbas·Published in Open veterinary journal·2025·College of Veterinary Medicine·View original on PubMed →
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Original publication title: Molecular detection of canine parainfluenza virus-5 in dogs in Baghdad province, Iraq.
- Species:
- dog
Plain-English summary
A group of dogs in Baghdad showed signs of respiratory distress, and testing revealed that many were infected with a virus called canine parainfluenza virus-5 (CPIV-5). Out of 100 sick dogs, 51 tested positive for the virus, while 17 out of 50 healthy dogs also carried it without showing symptoms. This suggests that healthy dogs can still spread the virus to others. Understanding the presence of CPIV-5 is important for preventing outbreaks and protecting vulnerable dogs from respiratory illnesses.
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Abstract
BACKGROUND: This study aimed to detect canine parainfluenza virus-5 (CPIV-5) in dogs in Baghdad city, using reverse transcriptase-quantitative polymerase chain reaction (RT-qPCR) and conventional nested (RT-nPCR) techniques, along with phylogenetic analysis. METHODS: Nasal swabs were obtained from 150 dogs, (100 sick dogs showing respiratory distress and 50 apparently healthy dogs), from January 2023 to April 2024. RESULTS: CPIV-5 was detected by RT-qPCR in 51 out of 100 sick dogs (51%) and 17 out of 50 apparently healthy dogs (34%). All positive RT-qPCR samples were rechecked by RT-nPCR. Ten final RT-nPCR products were sequenced, and the data were deposited in NCBI Gene Bank. These samples were categorized as CPIV-5 based on nucleocapsid protein gene analysis. The phylogenetic analysis based on amino acids revealed that local strains were distinct, with the first cluster sharing identity and similarity scores with international isolates, while the second cluster differed significantly from international isolates and could be Iraqi strains. CONCLUSION: This study concluded for the first time on the presence of CPIV-5 in both sick and apparently healthy dogs. The latter could act as reservoirs of the virus, contributing to the transmission of the disease to susceptible dogs, ultimately leading to increased morbidity.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/40989589/