For a 6‑month‑old child born [DATE_OF_BIRTH] who received Pediarix (diphtheria‑tetanus‑pertussis, inactivated poliovirus, hepatitis B), Prevnar 13 (13‑valent pneumococcal conjugate vaccine) and Rotarix (rotavirus) on [DATE] and [DATE], which vaccines are due at today’s visit ([DATE]) according to CDC immunization schedule?

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Vaccines Due Today for 6-Month-Old Infant

This child is due for the third doses of DTaP (contained in Pediarix), Hib, PCV13 (Prevnar), and rotavirus vaccine today, as these represent the standard 6-month immunization visit completing the primary infant series. 1

Current Vaccination Status

Based on the dates provided, this infant has received:

  • Two doses of Pediarix (DTaP-HepB-IPV combination) at previous visits 1
  • Two doses of Prevnar 13 (pneumococcal conjugate vaccine) 1
  • Two doses of RotaTeq (5-valent rotavirus vaccine) 1

Vaccines Due at Today's 6-Month Visit

Primary Series Completion

  • Pediarix (third dose): This combination vaccine contains DTaP, hepatitis B, and inactivated poliovirus. The third dose completes the primary infant series for these antigens and should be administered at 6 months of age. 1

  • Prevnar 13 (third dose): The third dose of pneumococcal conjugate vaccine is due now to complete the primary infant series, with a fourth booster dose scheduled for 12-15 months. 1

  • RotaTeq (third dose): The third and final dose of the rotavirus series must be administered by 8 months of age (32 weeks). This is the last dose needed for the RotaTeq series. 1

Additional Vaccine Consideration

  • Haemophilus influenzae type b (Hib) vaccine (third dose): If the infant received a Hib vaccine other than PRP-OMP (PedvaxHIB) at 2 and 4 months, a third dose is required at 6 months. If PRP-OMP was used at 2 and 4 months, the 6-month dose is not needed. 1

  • Influenza vaccine: Beginning at 6 months of age, annual influenza vaccination is recommended. If this is the first influenza season for this child, two doses separated by at least 4 weeks are required. 1

Critical Timing Considerations

  • Rotavirus deadline: The final rotavirus dose must not be administered after 8 months 0 days of age due to insufficient safety data beyond this age. 1

  • Minimum intervals: Ensure at least 4 weeks have elapsed since the previous doses of DTaP, PCV13, and rotavirus vaccines. 1

Upcoming Immunizations (Not Due Today)

  • 12-15 month visit: Fourth doses of DTaP, Hib, and PCV13 (boosters), plus first doses of MMR, varicella, and hepatitis A vaccines. 1, 2

  • Fourth dose of IPV: Scheduled for 4-6 years of age (contained in Pediarix series, third dose completes primary series with fourth dose as preschool booster). 1

References

1
Guideline

Guideline Directed Topic Overview

Dr.Oracle Medical Advisory Board & Editors, 2025

2
Guideline

Recommended Vaccinations at the 2‑Year Well‑Child Visit

Praxis Medical Insights: Practical Summaries of Clinical Guidelines, 2026

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Professional Medical Disclaimer

This information is intended for healthcare professionals. Any medical decision-making should rely on clinical judgment and independently verified information. The content provided herein does not replace professional discretion and should be considered supplementary to established clinical guidelines. Healthcare providers should verify all information against primary literature and current practice standards before application in patient care. Dr.Oracle assumes no liability for clinical decisions based on this content.

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