Kids Disease Child Disease Encyclopedia

Pediatric Immunization Guide

Clinical calendar tracking routine pediatric vaccines from birth through 12 years. Aligned with the CDC/AAP routine schedule — always confirm your country's national program with your pediatrician.

  1. 01

    Newborn Defense

    Age milestone: Birth

    • HepB Recommended

      Protects: Hepatitis B

      Protects the liver from virus infection. Given within 24 hours of birth.

  2. 02

    Infant Shield

    Age milestone: 2 Months

    • HepB Recommended

      Protects: Hepatitis B

      Second dose to reinforce liver protection.

    • DTaP Recommended

      Protects: Diphtheria, Tetanus, Pertussis

      Protects against throat blockages, locking muscles (lockjaw), and severe whooping cough.

    • Hib Recommended

      Protects: Haemophilus influenzae type b

      Prevents severe brain infection (meningitis) and airway swelling (epiglottitis).

    • IPV Recommended

      Protects: Polio

      Shields against a virus that causes muscle weakness and paralysis.

    • PCV Recommended

      Protects: Pneumococcal Disease

      Protects against bacterial lung infections, ear infections, and blood poisoning.

    • RV Recommended

      Protects: Rotavirus

      Oral vaccine that prevents severe watery diarrhea and dehydration in infants.

  3. 03

    Growth Protection

    Age milestone: 4 Months

    • DTaP Recommended

      Protects: Diphtheria, Tetanus, Pertussis

      Second dose for ongoing immunity against whooping cough.

    • Hib Recommended

      Protects: Haemophilus influenzae type b

      Second dose to protect against meningitis.

    • IPV Recommended

      Protects: Polio

      Second dose for polio prevention.

    • PCV Recommended

      Protects: Pneumococcal Disease

      Second dose for pneumococcal protection.

    • RV Recommended

      Protects: Rotavirus

      Second dose of the oral rotavirus series.

  4. 04

    Strengthening Immunity

    Age milestone: 6 Months

    • HepB Recommended

      Protects: Hepatitis B

      Third dose to complete the hepatitis B series.

    • DTaP Recommended

      Protects: Diphtheria, Tetanus, Pertussis

      Third dose for whooping cough protection.

    • Hib Recommended

      Protects: Haemophilus influenzae type b

      Third dose (if required by vaccine brand) for meningitis.

    • IPV Recommended

      Protects: Polio

      Third dose for polio prevention.

    • PCV Recommended

      Protects: Pneumococcal Disease

      Third dose for pneumococcal protection.

    • RV Recommended

      Protects: Rotavirus

      Third dose (if required) for rotavirus protection.

    • Influenza Recommended

      Protects: Flu (Annual)

      Recommended annually for all children starting at 6 months of age.

  5. 05

    Toddler Milestones

    Age milestone: 12–15 Months

    • MMR Recommended

      Protects: Measles, Mumps, Rubella

      Protects against severe red rashes, swollen glands, and birth defects from rubella.

    • Varicella Recommended

      Protects: Chickenpox

      Protects against itchy red fluid blisters and skin infections.

    • Hib Recommended

      Protects: Haemophilus influenzae type b

      Booster dose to complete meningitis protection.

    • PCV Recommended

      Protects: Pneumococcal Disease

      Booster dose to complete pneumococcal protection.

    • HepA Recommended

      Protects: Hepatitis A

      Protects the liver from food/water-borne virus infection (2 doses total).

  6. 06

    School Readiness

    Age milestone: 4–6 Years

    • DTaP Recommended

      Protects: Diphtheria, Tetanus, Pertussis

      Fourth booster dose to maintain school-age defense.

    • IPV Recommended

      Protects: Polio

      Fourth booster dose to maintain polio defense.

    • MMR Recommended

      Protects: Measles, Mumps, Rubella

      Second dose for long-term measles and rubella protection.

    • Varicella Recommended

      Protects: Chickenpox

      Second dose to complete chickenpox immunity.

  7. 07

    Adolescent Boosters

    Age milestone: 11–12 Years

    • Tdap Recommended

      Protects: Tetanus, Diphtheria, Pertussis

      Adolescent booster dose of tetanus and pertussis.

    • HPV Recommended

      Protects: Human Papillomavirus

      Protects against future virus-linked cancers (2 doses).

    • MenACWY Recommended

      Protects: Meningitis (ACWY)

      Protects against highly dangerous bacterial blood and brain infections.

Source guidance: CDC child & adolescent immunization schedule · AAP / HealthyChildren.org