: Global child deaths (under 5) dropped from 93 per 1,000 in 1990 to 39 per 1,000 in 2018, largely due to immunization programs.
: Vaccines led to the total eradication of smallpox and the near-elimination of polio.
Modern vaccines undergo rigorous clinical trials to ensure they are both safe and effective before public use.
: Every $1 invested in childhood immunization in the U.S. saves an estimated $10 in direct medical costs. Vaccine Safety and Efficacy
