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Case Reports
. 2022 Jul 9;9(7):346.
doi: 10.3390/vetsci9070346.

Canine Parainfluenza Virus Infection in a Dog with Acute Respiratory Disease

Marco Cordisco  1 , Maria Stella Lucente  1 , Alessio Sposato  2 , Roberta Cardone  1 , Francesco Pellegrini  1 , Delia Franchini  1 , Antonio Di Bello  1 , Stefano Ciccarelli  1
Affiliations
Case Reports

Canine Parainfluenza Virus Infection in a Dog with Acute Respiratory Disease

Marco Cordisco et al. Vet Sci. .

Abstract

The canine infectious respiratory disease complex (CIRDC) is an endemic respiratory syndrome caused by different bacterial and viral pathogens. This report describes a case of canine parainfluenza virus infection in a vaccinated household dog with an acute respiratory symptom (dry cough), who underwent clinical and endoscopic investigations for a suspected foreign body. Cytological investigations carried out on the broncho-alveolar lavage fluid (BALF) tested negative for the presence of inflammatory or infectious processes and could have been misleading the clinicians. By the molecular analyses (PCR) carried out on the BALF, canine parainfluenza virus was exclusively detected without the simultaneous presence of other respiratory pathogens associated to CIRDC. This case report emphasizes the role of molecular diagnostics in the differential diagnosis of respiratory diseases, in order to avoid underestimating the circulation of the parainfluenza virus in the canine population.

Keywords: CIRDC; CPIV; bronchoscopy; dry cough; kennel cough; respiratory syndrome.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
Right (A) and left (B) latero-lateral views of the dog: white arrows indicate examples of areas with unstructured diffuse interstitial pattern.
Figure 2
Figure 2
Endoscopic view of the principal broncho with congested mucosa without exudate.
Figure 3
Figure 3
Normal cytological findings with presence of proteinaceous material, normal cylindrical ciliated cells, absence of etiological agents.
See this image and copyright information in PMC

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