Fig. 2

Multiple comparisons of GMTs, GMIs and seroconversion rates of poliovirus type-specific neutralizing antibodies after vaccination among participants with different maternal poliovirus antibody levels. Group 1: low-dose Sabin IPV group. Group 2: medium-dose Sabin IPV group. Group 3: high-dose Sabin IPV group. Group 4: control Sabin IPV group. Group 5: control Salk IPV group