Dear Colleague Letters

Dear Colleague letters are brief messages containing clinical guidance and best practices on public health topics and can be responsive to current or emergency events. Letters may include:

• Urgent communication before, after, or during a public health emergency
• Notifications to physicians of emerging health issues
• Clinical guidelines and policies

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Letters, 2026

• Family Separation for Provider Awareness (PDF, January 16)
• AAP Joint Endorsement of AAP immunization schedule (PDF, January 28)
• Twice-Yearly Injectable Lenacapavir for HIV Pre-Exposure Prophylaxis (PDF, February 23)

Previous Letters