it depends on the level of weakened immunity. if the child has leukemia or other types of cancer or aids they should not receive live vaccines. examples of these include measles and intranasal influenza vaccines. obviously any decisions should be made on a case-by-case basis in consultation with the child's doctor. we are talking about live vaccine. . most of the other vaccines are inactivated. inactivated vaccines can be administered safely to persons with weakened immune systems.
my child has a weakened immune system. is it safe to vaccinate?