Fig. 1From: Differentiating secondary from primary dengue using IgG to IgM ratio in early dengue: an observational hospital based clinico-serological study from North IndiaPie Chart showing the frequencies of different Dengue virus serotypes found in our study. As can be seen Serotype 1 was the most common, found in 60.5% (n = 69), and followed by serotype 2 (31.6%, n = 36) and serotype 4 (7.9%, n = 8). Serotype 3 was not found in any patientBack to article page