Cowpox to the mild form of smallpox and the observation that dairy farmers were immune from smallpox inspired the first smallpox vaccine, created and administered by English physician Edward Jenner. The word “vaccination,” coined by Jenner in 1796, is derived from the Latin root "vaccinus", meaning of or from the cow. Once vaccinated, a patient develops antibodies that make them immune to cowpox, but they also develop immunity to the smallpox virus, or "Variola virus". The cowpox vaccinations and later incarnations proved so successful that in 1980, the World Health Organization announced that smallpox was the first disease to be eradicated
HMS Surprise (1796) time, Le Drézénec, who had been recently promoted to "capitaine de frégate", was suffering from smallpox and was incapacitated. Consequently, her first lieutenant, Lieutenant Le Breton, commanded "Unité". Captain Thomas Fremantle in command of the frigate HMS "Inconstant" had heard there was a French frigate in Bône, and sailed to intercept her. When "Unité" arrived in the afternoon of 20 April 1796, the watch aboard "Unité" identified "Inconstant" as a neutral vessel and Le Breton did not clear the ship for action. About an hour later, "Inconstant" sailed alongside, boarded and captured "Unité" intact. About a year after capture, "Unité"