The First Year: Vaccination Schedule for Babies

Recommended Immunizations for Babies

In early childhood, vaccines are particularly critical — they help protect babies and small children from a host of life-threatening ailments when they’re most vulnerable to illness.

New parents can consult with the Center for Disease Control and Prevention’s vaccination schedule, recommended through age 18, to learn the shots and vaccines for children in each age range.

Work with your child’s pediatrician to find if they’ve missed any necessary vaccines during the first year of life. Contact Children’s Hospital of Pittsburgh for more information.

Download: PDF version of the immunization schedule for print.

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First-Year Vaccines: Immunization Schedule for Babies

At Birth:

Babies typically receive the first dose of the Hepatitis B vaccine at birth

Vaccines at 2 months old:

    • First dose diphtheria, tetanus, and pertussis or DTaP
    • First dose polio or IPV
    • First dose haemophilus influenzae or Hib
    • First dose pneumococcal vaccine or PCV
    • First dose rotavirus
    • Second dose of Hepatitis B*

Keep in mind, your babies’ vaccination schedule will continue well beyond their first year. Consult with your doctor about vaccination specifics.

Vaccines at 4 months old:

  • Third dose of Hepatitis B*
  • Second dose diphtheria, tetanus, and pertussis or DTaP
  • Second dose of polio or IPV
  • Second dose haemophilus influenzae Type B or Hib
  • Second dose of pneumococcal vaccine or PCV
  • Second dose of rotavirus

Vaccines at 6 months old:

    • Third dose of diphtheria, tetanus, and pertussis or DTaP
    • Third dose of polio or IPV
    • Third dose of haemophilus influenzae Type B or Hib
    • Third dose of pneumococcal vaccine or PCV
    • Third dose of rotavirus
    • The flu vaccine. The CDC recommends children age 6 months and older receive an annual flu vaccination. Children receiving the vaccine for the first time are administered a two-dose series, with each shot separated by one month.
    • Fourth dose of Hepatitis B*.

*Note: The CDC only requires three doses of the Hepatitis B immunization, which are typically administered during the first year of a baby’s life. Many pediatricians, however, administer four doses when including the Hepatitis B shot as a part of a routine combination vaccine.

Vaccines at 12 months

  • First dose Hepatitis A
  • Measles, mumps, and rubella or MMR
  • Chickenpox or varicella vaccine

Vaccines at 15 months:

  • Fourth dose of haemophilus influenzae Type B (Hib)
  • Fourth doses of pneumococcal vaccine or PCV