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. 2010 Oct 27;85(1):410–421. doi: 10.1128/JVI.01826-10

FIG. 3.

FIG. 3.

ED3 competition assay predicts the primary infecting serotype. (a) The pre- and postexposure plasma samples from a selection of individuals with secondary infections (n = 4) were analyzed for neutralizing activity, and this information was used to determine the primary infecting serotype (boldface values). A competition ELISA (Comp ELISA) was then carried out on the corresponding 2- to 4-week postexposure plasma samples. (b) Competition ELISA for a single individual (K1) with a secondary Den4 infection who had a primary Den1 exposure. The responses against all ED3 serotypes are shown.