What was the long term effect of Edward Jenner's work?

Edward Jenner's work led to the development of the smallpox vaccine, which was the first successful vaccination process. This breakthrough laid the foundation for immunology and vaccination as a means to prevent Infectious Diseases. Over the long term, Jenner's work contributed to the eventual global eradication of smallpox in 1980, demonstrating the effectiveness of vaccines in controlling and eliminating diseases. His pioneering efforts spurred the development of vaccines for various other illnesses, transforming public health worldwide.