Fig. 1From: The prevalence of dengue virus serotypes in asymptomatic blood donors reveals the emergence of serotype 4 in Saudi ArabiaThe prevalence of (a) anti-dengue IgM and IgG antibodies among the 910 study participants and (b) DENV serotypes in the 50 cases positives by PCR. (* = P < 0.05 compared with DENV-1; ** = P < 0.05 compared with DENV-2 and *** = P < 0.05 compared with DENV-3)Back to article page