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 vaccinations
A guide to vaccinology: from basic principles to new ... - Nature Modern vaccines undergo rigorous clinical trials to ensure
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 and influenza. Impact on Global Health