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KMID : 1101420230550010045
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Korean Journal of Clinical Laboratory Science
2023 Volume.55 No. 1 p.45 ~ p.51
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Clinical Evaluation of a Rapid Diagnostic Test Kit for Canine Parvovirus and Coronavirus
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Min Chae-Yeong
Kim Won-Shik
Chong Chom-Kyu
Lim Yong
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Abstract
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Canine parvovirus type 2 (CPV-2) and canine coronavirus (CCoV) are major pathogens that can induce gastroenteritis in dogs. They are highly contagious and have a high morbidity rate. There are no specific treatments available for them to date. Therefore, rapid and accurate diagnosis becomes essential. The rapid diagnostic test (RDT) for animals can be used widely in the field because it is fast and easy to use for diagnosis. Thus, this study aimed to clinically evaluate and confirm the clinical utility of CPV-2/CCoV RDT. The parameters evaluated included the limit of detection (LoD), cross-reactivity, interference, sensitivity, specificity, negative likelihood ratio (NLR), and kappa value. The results revealed that the LoD values for CPV-2 and CCoV were 9.7×10 50% tissue culture infectious dose (TCID50)/mL and 2.5×102 TCID50/mL, respectively. There was no cross-reactivity with nine pathogens or interference by interfering materials. The RDT showed a sensitivity of 90.0%, a specificity of 100.0%, NLR of 0.1, and a kappa value of 0.90 for diagnosing both viruses. In conclusion, CPV-2/CCoV RDT is useful as a screening test because of its high sensitivity, specificity, kappa value, and low NLR.
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KEYWORD
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Coronavirus, canine, Parvovirus, canine, Rapid diagnostic tests, Sensitivity and specificity
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