We have a total of 49 (36 IgM + 13 RT-PCR positive) JE cases (36.2%) of which 30 (19 IgM + 11 RT-PCR positive) were pediatric-adolescent (61.2%) and remaining 19 (17 IgM + 2 RT-PCR positive) were found to be adult cases (38.7%). Here, CD40LG is linked to Japanese encephalitis.