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J Vet Sci. 2012 Mar;13(1):43-8.

Comparison of four diagnostic methods for detecting rabies viruses circulating in Korea.

Author information

1
Animal, Plant and Fisheries Quarantine and Inspection Agency, Anyang 430-757, Korea. yangdk@korea.kr

Abstract

It is essential to rapidly and precisely diagnose rabies. In this study, we evaluated four diagnostic methods, indirect fluorescent antibody test (FAT), virus isolation (VI), reverse transcriptase polymerase chain reaction (RT-PCR), and rapid immunodiagnostic assay (RIDA), to detect rabies in animal brain homogenates. Out of the 110 animal brain samples tested, 20 (18.2%) were positive for rabies according to the FAT. Compared to the FAT, the sensitivities of VI, RT-PCR, and RIDA were 100, 100, and 95%, respectively. The specificities of VI, RT-PCR and RIDA were found to be 100, 100, and 98.9%, respectively. Rabies viruses circulating in Korea were isolated and propagated in murine neuroblastoma (NG108-15) cells with titers ranging from 10(1.5) to 10(4.5) TCID(50)/mL. Although the RIDA findings did not completely coincide with results obtained from FAT, VI, and RT-PCR, RIDA appears to be a fast and reliable assay that can be used to analyze brain samples. In summary, the results from our study showed that VI, RT-PCR, and RIDA can be used as supplementary diagnostic tools for detecting rabies viruses in both laboratory and field settings.

PMID:
22437535
PMCID:
PMC3317456
DOI:
10.4142/jvs.2012.13.1.43
[Indexed for MEDLINE]
Free PMC Article

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