While infants aged 3 months of getting polio immunization 1, 2, and 3 and provided with respective distances 1 week. Polio immunization is given along with DPT that can protect babies from disease Tetanus. The age of 9 months, babies should be immunized against measles. Immunization is useful as a deterrent infants exposed to recurrent smallpox, measles meant to immunize a child will be exposed only once smallpox lifetime. When 1-year-old baby, all immunizations are repeated once again by giving the same distance as before.
