How does edward Jenner discovery change modern medicine?

Answer 1

Edward Jenner's discovery of the smallpox vaccine in 1796 marked the beginning of immunology and laid the groundwork for modern vaccination practices. By demonstrating that exposure to a less virulent form of the virus could provide immunity, Jenner established the principle of vaccination, which has since been applied to prevent numerous Infectious Diseases. His work not only contributed to the eventual eradication of smallpox but also inspired ongoing research and development of vaccines, greatly enhancing public health and leading to the control of many infectious diseases in the modern era.