Who Invented Vaccines? A History of Variolation and Innoculation

The video explores the history and development of vaccines, starting with variolation and leading to Edward Jenner's pioneering work with cowpox. It discusses the impact of vaccines on reducing mortality rates from diseases like measles, polio, and diphtheria. The video also covers the differences between inoculation, variolation, and vaccination, highlighting the evolution of these practices over time.

What new insight or understanding did you gain from this video?