Immunization (vaccination) is a way of creating immunity to certain diseases by using small amounts of a killed or weakened microorganism that causes the particular disease. At birth, infants have protection against certain diseases because antibodies have passed through the placenta from the mother to the unborn child. After birth, breastfed babies get the continued benefits of additional antibodies in breast milk. But in both cases, the protection is temporary. These are the following Read more...