Volume 87, Issue 5
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645



Both Chikungunya and Dengue virus belong to the acute arthropod-borne viruses. Because of the lack of specific symptoms, it is difficult to distinguish the two infections based on clinical manifestations. To identify and quantitatively detect Chikungunya and Dengue viruses, a real-time accelerated reverse-transcription-loop-mediated isothermal amplification (RT-LAMP) platform was developed, and 26-confirmed RNA samples, 42 suspects, and 18 healthy serum samples were evaluated by the method. The RT-polymerase chain reaction (PCR) and cDNA sequencing were used as references. The results showed that it could identify the Chikungunya and Dengue virus RNA correctly in all antibody-positive samples within 1 hour, without any cross-reactions. The virus load of the positive samples was quantitatively detected with a turbidimeter. The sensitivity was 100% and specificity was 95.25%. The findings indicate that the RT-LAMP is an effective method for rapid quantity detection of Chikungunya virus and Dengue virus in serum samples with convenient operation, high specificity, and high sensitivity.


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  • Received : 18 Nov 2011
  • Accepted : 01 Aug 2012
  • Published online : 07 Nov 2012

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