The word vaccine is derived from the latin word vacca, meaning cow, and relates back to vaccine history when Edward Jenner developed a smallpox vaccine in the late 1700s made from cowpox.

A veterinarian’s take on the Measles and anti-vaxxers. The good Lord gave us bigger brains than the cattle we vaccinate.

By the 1700s, the British were attempting to infect ... In 1796, Edward Jenner noticed that people who worked near cows and ...

Armed with the knowledge that milkmaids who had been exposed to cowpox, a relatively mild affliction, didn't come down with smallpox, Jenner intentionally infected an eight-year-old boy with cowpox.

This similar virus is cowpox. The cow to the left has been intentionally infected with cowpox virus. The fluid that you collect from virus-caused pustules on the cow's udder contains many copies ...

By the 1700s, the British were attempting to infect ... In 1796, Edward Jenner noticed that people who worked near cows and developed cowpox were not catching smallpox. The poxes, Jenner ...