New vaccine introductions: Assessing the impact and the opportunities for immunization and health systems strengthening

► Vaccine introductions reduce disease and improve surveillance, training, cold chain, and injection safety. ► Opportunities to strengthen the health system are often missed with vaccine introductions. ► Weaknesses in planning for human and financial resource needs are a concern. ► Future vaccine introductions should explicitly plan to optimize impact on health systems. ► Donors and partners should provide sufficient and timely support to facilitate country planning.