Figure 2From: Immunity status of adults and children against poliomyelitis virus type 1 strains CHAT and Sabin (LSc-2ab) in Germany Neutralizing antibodies against different strains of poliomyelitis virus type 1 in children. The boxplots show the 10th, 25th, 50th (median), 75th and 90th percentiles. The circles indicate outlier observations.Back to article page