I am still researching vaccines and don’t have a firm, dogmatic position on them.  A lot of the debate seems to rely on what authorities one trusts.  My own observations are that the unvaccinated children I know seem to be healthier than the vaccinated ones, but that is purely anecdotal and not a large sample size.  Here is an argument for vaccines from a Christian doctor:

Many different objections are made against using vaccines. One argument is that it is harmful to expose infants and little children to so many antigens at one time when they are vaccinated. However, as soon as babies leave the sterile environment of the womb and enter the birth canal, they are immediately and constantly exposed to antigens. Their intestines, essentially free from bacteria in utero, are in a very short time colonized by bacteria. Subsequently, their immune systems are continually bombarded by antigens. In contrast, a child that receives every recommended vaccine would be given around 130 antigens with the entire series. Vaccines do not overload the immune system.2

2 http://www.cdc.gov/vaccinesafety/Vaccines/multiple-vaccines.html; http://pediatrics.aappublications.org/content/109/1/124.full.

Read more: https://standardbearer.rfpa.org/index.php?q=node/55169