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
Smallpox vaccine the Ottoman Empire, she discovered the local practice of inoculation against smallpox called variolation." In 1718 she had her son, aged five variolated. He recovered quickly. She returned to London and had her daughter variolated in 1721 by Charles Maitland, during an epidemic of smallpox. This encouraged the British Royal Family to take an interest and a trial of variolation was carried out on prisoners in Newgate Prison. This was successful and in 1722 Princess Augusta, the Princess of Wales, allowed Maitland to vaccinate her children. The success of these variolations assured the British people that the procedure was safe.