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Please note that this product has been discontinued from 18th February, 2011.


JEV CheX

JEV CheX is a rapid ELISA kit for the detection of IgM antibodies against JEV in Human CSF and serum. This kit is developed in collaboration with NIMHANS. The research for this was conducted at Department of Neuro-Virology, NIMHANS, Bangalore, National Institute of Immunology, New Delhi and K.G. Medical College, Lucknow under the DBT umbrella programme.

JEV CheX was evaluated at NIMHANS, Bangalore, SGPGI Lucknow and CMC Vellore using panels of CSF and Serum samples from cases of various causes of encephalitis and other neurological disorders.


Unique features of JEV CheX:

  • JEV CheX is IgM capture ELISA, which eliminates competition with IgG and thus helps in diagnosing recent infection.
  • JEV CheX uses cell culture antigen avoids preparation of antigen in suckling mice.
  • JEV CheX is a stabilised kit and can be stored at 40C for 6 months unlike the conventional test conducted at institutes which required storage of reagents at -700C.
  • JEV CheX has an assay time of 3 hours when compared to the 36 hours of time taken by the conventional test conducted at public health institutes.

Evaluations of JEV CheX

Institutes Sensitivity Specificity Reference Kit Used
  CSF Serum CSF Serum  
NIMHANS, Bangalore 100% 100% 100% 99% Conventional MAC ELISA
SGPGIMS, Lucknow 100% 100% 100% 96% AFRIMS kit WHO