Smallpox vaccine Smallpox vaccine Smallpox vaccine, the first successful vaccine to be developed, was introduced by Edward Jenner in 1796. He followed up his observation that milkmaids who had previously caught cowpox did not later catch smallpox by showing that inoculated cowpox protected against inoculated smallpox. Dryvax is a freeze-dried calf lymph smallpox vaccine. It is the world's oldest smallpox vaccine, created in the late 19th century by American Home Products, a predecessor of Wyeth. By the 1940s, Wyeth was the leading US manufacturer of the vaccine and the only manufacturer by the 1960s. After world health authorities declared smallpox had been
History of smallpox of Royal Marines may have attempted to use smallpox as a biological weapon in 1789. However, in 2002, historian John Connor stated that Day's theory was "unsustainable". That same year, theories that smallpox was introduced with settlers, deliberately or otherwise, were contested in a full-length book by historian Judy Campbell: "Invisible Invaders: Smallpox and Other Diseases in Aboriginal Australia 1780-1880" (2002). Campbell consulted, during the writing of her book, Frank Fenner, who had overseen the final stages of a successful campaign by the World Health Organization (WHO) to eradicate smallpox. Campbell argued that scientific evidence concerning the viability of variolous