National Infant Immunization Week (NIIW)

At a glance

National Infant Immunization Week (NIIW) is a yearly observance held in April, highlighting the importance of protecting children two years and younger from vaccine-preventable diseases. NIIW is April 21-28, 2025. CDC and the American Academy of Pediatrics (AAP) recommend that children stay on track with their well-child appointments and routine vaccinations. On-time vaccination is critical to provide protection against potentially life-threatening diseases.

Apr 21-28, 2025

Are You a Healthcare Professional?

All staff in healthcare practices, including non-clinical staff, play important roles during NIIW. To highlight childhood immunizations this NIIW, learn tips for talking with parents about childhood vaccines.

Parent holding infant with a band aid on leg in medical office with healthcare provider post vaccination.
National Infant Immunization Week highlights the importance of protecting infants and young children from vaccine-preventable diseases.

For more actionable strategies, resources, and data to support getting all Americans back on-schedule with their routine immunizations to protect everyone from vaccine-preventable disease and disability.

Event materials

Use these graphics to highlight the importance of protecting infants and young children from vaccine-preventable diseases.

  • National Infant Immunization Week Communication Materials for 2025 are coming soon*
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Content Source:
National Center for Immunization and Respiratory Diseases