Gilray cartoon on vaccination against Smallpox using Cowpox serum, 1802. In 1796 the English physician Edward Jenner (1749-1823) proved efficacy of practice, but opposition continued for a while. Hand-coloured engraving

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Photo credit: © Photo12/Ann Ronan Picture Library / Alamy / Afripics
License: Licensed
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Keywords: 19th, animal, british, caricature, century, deformed, deformity, disease, immunisation, medicine, preventive