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 in Mexico Zacatecas. This outbreak is notable because that was the first time that sanitary and preventive campaigns were implemented in New Spain, such as quarantines, inoculation, isolation and the closing of roads. Different institutions provided health and public services to fight against the smallpox epidemic: the most important were The “Ayuntamiento” or city council. The Catholic Church and "Real Tribunal del Protomedicato", which was an institution founded in 1630, managed all sanitary aspects of New Spain including the establishment of quarantines. Charity boards were created, where rich people of the city donated money to build hospitals and to help and cure