History of smallpox In the late 1770s, during the American Revolutionary War, smallpox returned once more and killed thousands. Peter Kalm in his "Travels in North America", described how in that period, the dying Indian villages became overrun with wolves feasting on the corpses and weakened survivors. Smallpox was also used as a weapon by the British. In 1799, the physician Valentine Seaman administered the first smallpox vaccine in the United States. He gave his children a smallpox vaccination using a serum acquired from Edward Jenner, the British physician who invented the vaccine from fluid taken from cowpox lesions. Though vaccines were misunderstood
History of smallpox survivors. In northern Japan, Ainu population decreased drastically in the 19th century, due in large part to infectious diseases like smallpox brought by Japanese settlers pouring into Hokkaido. The Franco-Prussian War triggered a smallpox pandemic of 1870–1875 that claimed 500,000 lives; while vaccination was mandatory in the Prussian army, many French soldiers were not vaccinated. Smallpox outbreaks among French prisoners of war spread to the German civilian population and other parts of Europe. Ultimately, this public health disaster inspired stricter legislation in Germany and England, though not in France. In 1849 nearly 13% of all Calcutta deaths were due to