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Virologica Sinica, 27 (3) : 179-186, 2012
Simultaneous Detection of Three Arboviruses Using a Triplex RT-PCR Enzyme Hybridization Assay
1. Prevention of Veterinary Medicine Department, College of Agriculture, Yanbian University, Yanji 133002, China
2. State Key Laboratory for Infectious Disease Prevention and Control, Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China
 Correspondence: gdliang@hotmail.com
Arboviruses represent a serious problem to public health and agriculture worldwide. Fast, accurate identification of the viral agents of arbovirus-associated disease is essential for epidemiological surveillance and laboratory investigation. We developed a cost-effective, rapid, and highly sensitive one-step “triplex RT-PCR enzyme hybridization” assay for simultaneous detections of Japanese Encephallitis virus (JEV, Flaviviridae), Getah virus (GETV, Togaviridae), and Tahyna virus (TAHV, Bunyaviridae) using three pairs of primers to amplify three target sequences in one RT-PCR reaction. The analytical sensitivity of this assay was 1 PFU/mL for JEV, 10 PFU/mL for GETV, and 10 PFU/mL for TAHV. This assay is significantly more rapid and less expensive than the traditional serological detection and single RT-PCR reaction methods. When “triplex RT-PCR enzyme hybridization” was applied to 29 cerebrospinal fluid (CSF) samples that were JEV-positive by normal RT-PCR assay, all samples were strongly positive for JEV, but negative for GETV and TAHV, demonstrating a good sensitivity, specificity, and performance at CSF specimen detection.
Received: 7 May 2012  Accepted: 18 Feb 2012  Published online: 5 Jun 2012
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