Fig. 4 IPV1-specific IgG antibody responses measured in serum obtained in study 1 or 2, after prime immunization (a, day 21) or boost immunization (b, day 42) with PBS pH 7.4, 5 DU IPV1 or 5 DU IPV1 adjuvanted with either CpG or CT. Formulations were injected intradermally via HMN at the indicated injection depths or intramuscularly via conventional 26G needles. Aqua or orange rounds represent animals from study 1 or 2, respectively. Bars represent mean± 95% confidence interval (n=10) and stars represent a significant increase (p<0.05).
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