Median titers for Sabin-2 were 9.3 ( range 6.8-11 .5 ) in the low-dose sIPV group , 9.2 ( range 6.8-10 .2 ) in the low-dose adjuvanted sIPV group and 9.8 ( range 5.5-15 .0 ) in the wIPV group , Median titers against MEF-1 ( wild poliovirus type 2 ) were 8.2 ( range 4.8-10 .8 ) in the low-dose sIPV group , 7.3 ( range 4.5-10 .2 ) in the low-dose adjuvanted Sabin-IPV group and 10.3 ( range 8.5-17 .0 ) in the wIPV group .