As a parent and a midwife, I encourage you to research the routine administration of vaccines - especially to newborns. What you are not told is incredible. While reactions to vaccines are rare, that doesn't ease the pain if it's your child that suffers that 'rare' reaction. One of the most common defensive statements is "if vaccines don't work, then why have we eradicated polio, measles, etc"? The answer to that question and others can be found in the following links.
“Up to 90% of the total decline in the death rate of children between 1860-1965 because of whooping cough, scarlet fever, diphtheria, and measles occurred before the introduction of immunizations and antibiotics.”Dr. Archie Kalokerinos, M.D.