Childhood Vaccination Schedule: What Every Parent Should Know

December 02, 2025
Dr. Sarah Johnson
8 min read
Pediatrics, Parenting, Health
Vaccinations are one of the most important ways parents can protect their children from serious diseases. This comprehensive guide explains the recommended childhood vaccination schedule and why timing matters for your child's health.

Why Vaccination Timing Matters

The recommended vaccination schedule is carefully designed by medical experts to provide protection when children are most vulnerable to diseases. Vaccines are given at specific ages to ensure maximum effectiveness and safety.

Important Note

Delaying or skipping vaccines leaves children unprotected during critical periods when they're most susceptible to serious illnesses. Always consult with your pediatrician about any concerns regarding the vaccination schedule.

Recommended Vaccination Schedule

The following table outlines the Centers for Disease Control and Prevention (CDC) recommended vaccination schedule from birth through adolescence:

Age Vaccine Protects Against
Birth Hepatitis B (1st dose) Hepatitis B virus
1-2 months Hepatitis B (2nd dose) Hepatitis B virus
2 months DTaP, Hib, PCV13, Polio, Rotavirus Diphtheria, Tetanus, Pertussis, Hib disease, Pneumococcal disease, Polio, Rotavirus
4 months DTaP, Hib, PCV13, Polio, Rotavirus Second doses of 2-month vaccines
6 months DTaP, Hib, PCV13, Polio, Rotavirus, Influenza Third doses and annual flu vaccine starts
12-15 months MMR, Varicella, Hib, PCV13, Hepatitis A Measles, Mumps, Rubella, Chickenpox, Hib, Pneumococcal, Hepatitis A
4-6 years DTaP, Polio, MMR, Varicella Booster doses before school entry

Preparation Checklist

Follow these steps to prepare for your child's vaccination appointment:

  • Bring your child's immunization record to every visit
  • Dress your child in loose, comfortable clothing
  • Discuss any allergies or previous reactions with the doctor
  • Plan to stay at the clinic for 15-30 minutes after vaccination
  • Have age-appropriate pain relief options available if needed
  • Schedule the next vaccination appointment before leaving

Parent Tips for Vaccination Day

Comfort Your Child

Hold your child securely during the vaccination. For babies, breastfeeding during or immediately after can provide comfort.

Stay Informed

Ask questions about each vaccine, its benefits, and possible side effects. Knowledge reduces anxiety for both parent and child.

Aftercare Matters

Use a cool cloth on the injection site if there's swelling. Monitor for fever and contact your doctor if concerned about reactions.

Common Questions Answered

Can I delay vaccines if my child is sick?
Mild illnesses like colds or low-grade fever are not reasons to delay vaccination. However, moderate to severe illness may require rescheduling. Always consult your pediatrician.
Are vaccine side effects dangerous?
Most side effects are mild (soreness, low fever) and last 1-2 days. Serious reactions are extremely rare. The benefits of vaccination far outweigh the risks of the diseases they prevent.
What if we miss a scheduled vaccine?
Catch-up schedules are available. Contact your healthcare provider to get back on track. It's never too late to protect your child.