And it provides some immunity from viruses that the mother has been exposed to and built up a natural immunity to.
I'm not sure at which age that immunity "wears off" for lack of a better phrase. But newborns and very young infants have some immunity to viruses because of it.
And it provides some immunity from viruses that the mother has been exposed to and built up a natural immunity to.
I'm not sure at which age that immunity "wears off" for lack of a better phrase. But newborns and very young infants have some immunity to viruses because of it.