No.
I have 3 children, DS is fully vaxed, DD partially and our 11mth old baby is totally unvaccinated, it has been a long learning process for me to get to where I am and to be comfortable with this decision and even now I worry, it is such an emotional decision to make and you have to be sure the decision is your own. If you feel unsure and need more time then don't make a definite decision but wait a while, give yourself the space to decide. Our decision was ultimately based on 3 main points:
Firstly, that I don't want substances such as formaldehyde or cells from aborted fetuses injected into my children (or myself) and I believe that vaccinating is unnatural, a mutated form of the illness goes in through an abnormal route bypassing the bodies natural defences and leaving the immune system unprepared for the attack.
Secondly, there are children who have been vaccine damaged, that damage varies from a few days of very high fever to full blown autism to death. I also believe that vaccinations have a large part to play in the damage to childrens' immune systems generally for the reasons I gave above.
Thirdly, there there would appear to be no scientific evidence suggesting that vaccines are at all effective, they certainly are not 100% effective.