neonate immunology

[FLOIAM]

I need an answer!!  I am an undergraduate student and recently had a discussion
with my instructor over the neonates natural immunity.  My instructor is of the
opinion a neonate is at much higher risk to infection than say a toddler. I on
the other end of the spectrum am under the impression that a breast feed
neonate's immune system is as good or as bad as it's mother's. Someone please
clarify. Any information/articles would be appreciated.