Fig. 2From: The prevalence of dengue virus serotypes in asymptomatic blood donors reveals the emergence of serotype 4 in Saudi ArabiaThe distribution of DENV serotypes in the study participants who were (a) serologically negative by all test, (b) exclusively positive for IgM antibodies, (c) exclusively positive for IgG antibodies and (d) dual positive for IgM and IgG antibodiesBack to article page