Edward Jenner spread around Europe and was used "en masse" in the Spanish Balmis Expedition (1803–1806), a three-year-long mission to the Americas, the Philippines, Macao, China, led by Dr. Francisco Javier de Balmis with the aim of giving thousands the smallpox vaccine. The expedition was successful, and Jenner wrote, "I don’t imagine the annals of history furnish an example of philanthropy so noble, so extensive as this." Napoleon, who at the time was at war with Britain, had all his French troops vaccinated, awarded Jenner a medal, and at the request of Jenner he released two English prisoners of war and permitted
Frank Jenner of even one person living their lives as Christians as a result of his evangelism, and he cried upon hearing that there were several. After returning from Australia, Dixon went on to discover more people who had become Christians because of Jenner in Bournemouth, Cumbria, India, and Jamaica. By 1979, Dixon had discovered ten people who had become Christians as a result of Jenner's evangelism. It is because of Dixon that the story of Jenner's evangelism began to be told. Dixon's wife Nancy wrote an account of Jenner's evangelism, which she called "The Jenner Story". In later years, Jenner developed