: Vaccines led to the total eradication of smallpox and the near-elimination of polio.
: 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. vaccinations
A guide to vaccinology: from basic principles to new ... - Nature : Vaccines led to the total eradication of
: Every $1 invested in childhood immunization in the U.S. saves an estimated $10 in direct medical costs. Vaccine Safety and Efficacy - Nature : Every $1 invested in childhood
Modern vaccines undergo rigorous clinical trials to ensure they are both safe and effective before public use.
Vaccinations are widely recognized as one of the most successful and cost-effective public health interventions in history. According to the World Health Organization (WHO) , they prevent between 3.5 million and 5 million deaths annually from diseases like measles, tetanus, and influenza. Impact on Global Health