Abstract
BackgroundAccurate diagnosis of canine distemper (CD), a highly contagious and acute viral disease, cannot be made solely based on clinical signs and haematological findings, but serological and molecular methods compatible with clinical signs are also required. The type of sample and method of tissue sampling are also very important. Sometimes in chronic cases, the canine distemper virus (CDV) may not be detected in blood and conjunctival specimens but can be detected in cerebrospinal fluid (CSF).ObjectivesThe aim of this study was to evaluate and compare the suitability of CSF samples with whole blood and conjunctival samples in the detection of CDV.MethodsThe CDV was detected in CSF, whole blood and mucosal specimens in 20 dogs with obvious neurological with or without systemic signs congruous with CD by RT‐PCR and rapid immunochromatographic (IC) antigen test kit assays.ResultsRapid kit results were positive for mucosal swabs in 10 cases (50%) and for CSF in 17 cases (85%); RT‐PCR results from whole blood were positive in 11 cases (55%) and from CSF in 16 cases (80%).ConclusionsOur results revealed that dogs with neurological signs showing simultaneous or recent systemic symptoms, whole blood, CSF and mucosal swabs are suitable for the diagnosis of CDV by RT‐PCR and rapid IC antigen test kits, but dogs with neurological symptoms that are systematically asymptomatic or have had systemic signs for a long time, whole blood and mucosal swabs are not good samples while CSF is a good one.
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