Figure 1: Each column represents the serum antibody within a week. The first column indicates zero weeks and the last column is the seventh week. Part A: Comparison of serum antibodies in the vaccine without adjuvant. Part B: Comparison of serum antibodies in the vaccine with Alum adjuvant. Part C: Comparison of serum antibodies in the vaccine with EDO1 adjuvant. Part D: Comparison of serum antibodies in the vaccine with EDO2 adjuvant.