Baby vaccinations The vaccinations also called immunizations are very effective and give infants power to resist contagious and serious health conditions. This will protect the babies against many diseases such as tetanus, diphtheria, pertussis, measles, mumps, polio virus, hepatitis B and Streptococcus pneumoniae bacteria.This immunization and vaccination schedule may vary depending upon where you live, your child's health, the type of vaccine, and the vaccines available. Ask your doctor about which vaccines your child should receive. Check with your doctor or nurse to make sure your baby is getting immunized on time. Also make sure you ask your doctor or nurse to give you a record card with all the dates of your baby's shots and be sure to bring it to every visit. Your baby need vaccinations or immunizations due to the following reasons. Vaccination is the administration of antigenic material in the infant's body. The importance of immunization is that it helps to protect