Annals of Internal MedicineThe Importance of the Childhood Immunization Schedule for Internal Medicine

The ACP has formally abandoned the CDC childhood vaccine schedule, endorsing the AAP 2026 schedule instead after HHS replaced ACIP members with individuals lacking clinical expertise. The new CDC schedule, modeled on Denmark’s, was released January 5, 2026 with no ACIP review and no public comment period.

Professional Impact

• The CDC schedule no longer reflects scientific consensus; ACP and AAP have explicitly disavowed it as politically driven
• ACIP’s credibility is compromised: external experts were sidelined, replaced by reviewers with documented bias and minimal clinical background
• Physicians citing the CDC schedule now face potential misalignment with ACP and AAP standards of care
• Families will ask; clinicians without a clear position risk eroding patient trust during an already fragile vaccine confidence environment

Practice Applications

• Review the AAP 2026 schedule and ACP endorsement to inform your practice’s current vaccination approach
• Evaluate RSV prophylaxis options for infants: maternal vaccine, nirsevimab, and clesrovimab are now all recognized without preference
• Discuss COVID-19 vaccination individually with families of children over 2, given the shift from universal to risk-based guidance
• Consider whether to begin HPV vaccination at age 9 rather than 11 for eligible patients
• Clarify hepatitis B vaccine inventory: Prehevbrio is no longer available following manufacturer closure

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