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
Early clashes in the Rhine campaign of 1796 systematically divested of old men who might have tempered the rash impulses of teenagers and young adults. It had already made itself odious, by rumor and action, throughout France. Furthermore, it was an army entirely dependent upon the countryside for its material support. After April 1796, pay was made in metallic value, but pay was still in arrears. Throughout the spring and early summer, the unpaid French army was in almost constant mutiny: in May 1796, in the border town of Zweibrücken, the 74th Demi-brigade revolted. In June, the 17th Demi-brigade was insubordinate (frequently) and in the 84th Demi-brigade, two