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
Sir William Jenner, 1st Baronet Sir William Jenner, 1st Baronet Sir William Jenner, 1st Baronet, GCB, QHP, FRCP, FRS (30 January 1815 – 11 December 1898) was a significant English physician primarily known for having discovered the distinction between typhus and typhoid. Jenner was born at Chatham on 30 January 1815, and educated at University College London. He became a Member of the Royal College of Surgeons of England (M.R.C.S.) in 1837, a Fellow of the Royal College of Physicians (F.R.C.P.) in 1852, and in 1844 took the London M.D. In 1847 he began at the London Fever Hospital investigations into cases of continued fever