1884 painting by E.-E. Hillemacher is believed to show Edward Jenner conducting the 1796 experiment in which he inoculated cowpox from the arm of Sarah Nelmes into the arm of a boy named James Phipps. (Wellcome Collection)
1884 painting by E.-E. Hillemacher is believed to show Edward Jenner conducting the 1796 experiment in which he inoculated cowpox from the arm of Sarah Nelmes into the arm of a boy named James Phipps. (Wellcome Collection)