antibodies from the mother are passed to her unborn baby through the placenta. this type of immunity is called passive immunity because the baby has been given antibodies rather than making them itself.
<span>Actually baby Aiden will surely develop a strong secretory Iga antibodies which is passive immunity to most of the types of bacteria and viruses, ie, as a protection against infections, which inturn is a response to the baby to its immune system in the form active immunity.</span>
