From coverage to concern: A policy analysis of Australia's immunisation decline

Australia stands at a critical juncture in its immunisation trajectory. Once a global leader in vaccine coverage, the nation is now seeing sustained declines across childhood, adolescent, and adult programs, with serious implications for public health, health-system capacity, and economic productivity. Sustained, targeted action now is essential to protect Australians from vaccine-preventable diseases, strengthen health system resilience, and ensure equitable, lifelong access to vaccination.