CD40LG and dengue disease: Among afebrile participants, the total prevalence of dengue IgM positives was only 0.8 % (5/622) out of which 0.6 % (2/346), 0.7 % (1/153) and 1.6 % (2/123) positives were observed in samples from Bondo dispensary, Hai hospital and TPC hospital, respectively.