The single hep B vax uses thimerosal during manufacture with the vast majority removed prior to final use, there is only a trace amount left in the final product. By last years WA schedule, there were only 10 injections and 2 oral immunisations in the first 12 months. You could also say that it is not 26 different immunisations, they get exposed to 11 disease antigens from immunisations on the schedule (i'm not counting flu shots here), with the 4 and 6 month ones boosters for the birth and 2 month ones. To really say it is immunisations alone causing the problems is a far stretch considering the other environmental factors pointed out. From my point of view in the decisions I made for my child, I would rather she was exposed to these diseases safely and artificially then to be exposed to them in their natural state.