4 ms·
And IIRC the maternal antibodies also make it harder for immunizations to "take", since the antibodies latch onto the viral particles from the vaccine. I think
by phyzome 8y ago
And IIRC the maternal antibodies also make it harder for immunizations to "take", since the antibodies latch onto the viral particles from the vaccine. I think I remember something about the MMR vaccine being given at 1 year because it's less effective when given earlier, for that reason.
- nonbel 8y agoYep, that is exactly the reason vaccination is delayed. They originally tried giving them at younger ages but stopped because it wasn't working (I've never seen any report of a health danger).