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2026-10-09 · Moni Happy Editorial Team

Baby Vaccines Schedule: AAP Timeline for the First Year

Baby Vaccines Schedule: AAP Timeline for the First Year

The AAP recommends 14 vaccine doses by 6 months of age, including hepatitis B (birth, 1 month, 6 months), DTaP (2, 4, 6, 15-18 months), and the measles vaccine at 12 to 15 months. Most babies need about 6 well-child visits for vaccines in the first year.

Close-up of baby arm with adhesive bandage after vaccination, mother gently holding

When Does My Baby Need Their First Vaccines?

Your baby's first vaccine is hepatitis B within 24 hours of birth. The AAP schedule then continues at: - Birth: hepatitis B - 2 months: DTaP, IPV, Hib, PCV13, rotavirus - 4 months: DTaP, IPV, Hib, PCV13, rotavirus - 6 months: DTaP, IPV, PCV13, rotavirus, flu (seasonal) - 12-15 months: MMR, varicella, Hib, PCV13 - 4-6 years: DTaP, IPV, MMR, varicella booster The AAP warns that delaying or skipping vaccines puts babies at risk for serious diseases like measles, whooping cough, and polio.

Are Baby Vaccines Safe?

Yes. The AAP, CDC, and WHO all confirm that childhood vaccines are safe. The CDC reviews vaccine safety continuously. Common mild reactions include: - Soreness or redness at the injection site (1 to 2 days) - Mild fever (up to 38.5°C / 101.3°F) - Fussiness or tiredness (1 to 2 days) - Swelling of the cheek (after MMR, around 1 week later) Serious reactions are extremely rare. The CDC estimates that severe allergic reactions occur in fewer than 1 in a million doses. Always tell your doctor if your baby had a previous severe reaction.

What Should I Bring to a Vaccination Visit?

Bring: - Vaccination record card - Any known allergies - A favorite toy or comfort item - A diaper bag with diapers, wipes, and a pacifier - A comfort blanket After vaccination, the AAP recommends: - Use a cool compress on the sore spot for 10 minutes - Offer extra cuddles and fluids - Dress baby in light clothing if feverish - Wait 15 minutes before leaving the clinic in case of reaction For recovery, keep a soft towel handy for soothing.

Can I Delay Vaccines or Space Them Out?

The AAP strongly advises against delaying. Spacing vaccines out leaves babies vulnerable for longer. Delaying vaccines like MMR until after 12 months is normal, but delaying beyond the recommended schedule risks outbreaks. The CDC notes that vaccine schedules are based on decades of research into when babies' immune systems respond best. If you have concerns, talk to your pediatrician rather than skipping doses. For more baby care essentials, visit Moni Happy's product collection.

How Do I Calm My Baby After Vaccines?

Try: - Breastfeeding or a bottle immediately after the shot - A cool (not frozen) washcloth on the sore arm - Gentle rocking or walking - Extra skin-to-skin contact - Dressing in light layers - Acetaminophen (infant dose per weight, ask your doctor) The AAP notes that fussiness usually peaks in the first 24 hours and resolves by 48 hours. Call your doctor if fever exceeds 39°C (102.2°F), if your baby is extremely lethargic, or if there is swelling beyond the injection site.

Bottom line: Follow the AAP schedule: 14 doses by 6 months, starting with hepatitis B at birth. Vaccines are safe, with only mild reactions like soreness and low fever. Don't delay — spacing doses leaves babies unprotected. Bring your vaccine card and comfort items, and call the doctor for fever over 39°C or extreme lethargy.

Frequently Asked Questions

When does my baby get their first vaccine?

Hepatitis B is given within 24 hours of birth, followed by a full schedule at 2, 4, and 6 months.

Are baby vaccines safe?

Yes. The AAP, CDC, and WHO all confirm vaccines are safe. Serious reactions occur in fewer than 1 in a million doses.

Is it OK to delay vaccines?

No. The AAP advises against delaying, as spacing doses leaves babies vulnerable to measles, whooping cough, and other diseases.

What fever is normal after vaccination?

Mild fever up to 38.5°C (101.3°F) is normal for 1 to 2 days. Call your doctor if fever exceeds 39°C (102.2°F).

🏷 Related topics: Baby Care BasicsParenting Tips

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