Vaccination concepts began with Edward Jenner’s smallpox vaccine in 1796.
✓ TRUE FACT
Jenner’s 1796 smallpox vaccination used cowpox exposure to confer protection, launching modern immunology. Smallpox was eventually eradicated globally in 1980, a rare example of an entire human disease being eliminated.
🤯 "Vaccination concepts began with Edward Jenner’s smallpox vaccine in 1796. The start of modern immunity—and modern debates."