Swiss TPH "In 1974, the World Health Organization launched its Expanded Programme on Immunization. Now, 50 years later, a study shows that an estimated 154 million deaths have been averted thanks to vaccination. In 2024, a child under 10 years of age is 40% more likely to survive to their next birthday. The study published today in The Lancet was led by Swiss TPH in collaboration with WHO and numerous research organisations."