YDS CÜMLE ATMA / TEST 1 37. Soru

37.

- (I)Newborn babies are immune to many
diseases. (II) Babies don't feel pain until they
are in their 29th week. (III) The reason is that
they have antibodies against some diseases
they got from their mothers. (IV) However, the
duration of this immunity lasts only a month to
about a year. (V) Further, they do not have
maternal immunity against some vaccinepreventable
diseases.