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Serum Neutralizing Antibody Titers. Serum neutralizing antibody (SNA) titers by treatment group. Black dots represent results from individual participants. Mean serotype-specific SNA are provided by day with comparisons between groups made at Days 0 (baseline) and 28 (A). Peak rise in serotype-specific SNA (B). Comparisons between groups are made by t-test and p-values < 0.05 are considered to be statistically significant.
