Andrew J. Shattock

May 2, 2024 | thelancet.com | Andrew J. Shattock |Swiss Tropical |Helen Johnson |So Yoon Sim

SummaryWHO, as requested by its member states, launched the Expanded Programme on Immunization (EPI) in 1974 to make life-saving vaccines available to all globally. To mark the 50-year anniversary of EPI, we sought to quantify the public health impact of vaccination globally since the programme's inception. In this modelling study, we used a suite of mathematical and statistical models to estimate the global and regional public health impact of 50 years of vaccination against 14 pathogens in EPI.