in 1798, the royal society refused to publish jenner's work so he paid to print pamphlets
in 1802, the Jennerian society was set up to promote vaccinations
in 1804, over 12,000 people were vacinated
in 1840, the government started paying for vaccinations
in 1853, the government made vacinations compulsary
in 1979, the world health organisation announced smallpox had been wiped out
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