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Results from ELISA showing the binding to keyhole limpet haemocyanin (KLH) carrier protein of human antiserum IgG raised against (AI)–KLH conjugate vaccine encoded PMD3117 (see Table 1; Study C). The AI dose was 25 µg (▪), 50 µg (•), 100 µg (•) and 0 µg (□). Values are mean for each group and error bars show standard error of the mean (n = 6), for the 0-µg AI dose only.
