4 vaccines today, is that safe?

Yes. It may seem unreal, but the stress to babies system from 4-6 of todays modern vaccines, given at one time, is a fraction of the stress from one smallpox vaccine.Since smallpox killed 1/3 victims and was still active in the world, few questioned the stress of the vaccine.Today's vaccines are the product of decades of research and ongoing surveillance as has the combination given per visit.