Comparative Detection of Foot-and-Mouth Disease Virus by the two Commonly used Assays of NSP ELISA and RT-PCR In Uganda with Quantitative Real Time RT-PCR on Field Samples

Hussein Mukasa Kafeero; Frank Nobert Mwiine; David Atuhaire Kalenzi; Sylvester Ochwo; Ann Nanteza

Authors

Hussein Mukasa Kafeero
Frank Nobert Mwiine
David Atuhaire Kalenzi
Sylvester Ochwo
Ann Nanteza

Keywords:

NSP-ELISA, RT-PCR, sensitivity, specificity, real time PCR, focal screening

Abstract

Foot-and-mouth disease (FMD) is a viral disease of Ungulates; both Artiodactyla and Perissodactyla. The mortality rates are low in adult animals but it affects milk yield and international trade. In endemic countries, diagnosis can be based on clinical signs. But these are shared by other vesicular diseases, so a laboratory is needed to confirm the disease. In Uganda the commonly used assays for the laboratory diagnosis of FMD are NSP ELISA and RT-PCR. Serology using ELISA techniques may fail to distinguish between vaccinated and new infection so compromising its sensitivity. The gel passed PCR is involves a lot of advance sample treatment increasing errors due to carry over which also compromises its sensitivity. This work reports comparative the detection of foot-and-mouth virus by NSP ELISA and RT-PCR with real time PCR which was taken as the gold standard. The assays were compared in terms of sensitivity, specificity and disease prevalence and likelihood ratios. A total of 176 cattle were used from which samples that included epithelial tissues (17.05%) and oral swabs (84.09%) were collected from outbreak cases in Eastern Districts of Mbale and Budaka.

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Comparative Detection of Foot-and-Mouth Disease Virus by the two Commonly used Assays of NSP ELISA and RT-PCR In Uganda with Quantitative Real Time RT-PCR on Field Samples. (2016). Global Journal of Medical Research, 16(G2), 1-10. https://medicalresearchjournal.org/index.php/GJMR/article/view/1152

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