[Comment] Strengthening global routine childhood vaccination

The Expanded Programme on Immunization (EPI) is a cornerstone of global infectious disease prevention. In 2024, WHO celebrated the 50th anniversary of this initiative.1 Since its inception in 1974, the EPI has been estimated to have averted 154 million deaths worldwide.2 Sustaining high coverage of routine childhood vaccinations remains crucial to achieving the EPI's goals and advancing global health.2