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
Christianity in Thailand Thailand. Facilities such as Saint Louis Hospital, Bangkok Mission Hospital, Camillian Hospital, Bangkok Christian Hospital were once considered to be among the best in the country. Major Christian schools dot the map of Thailand. European and American missionaries introduced the printing press, western surgery, smallpox vaccinations, taught foreign languages and wrote linguistic dictionaries. Thai and Western Christians in the past 50 years, especially those in the Church of Christ in Thailand denomination, have been heavily engaged in administrative reform of church organizations, ecumenical and interrreligious dialogue, social development projects, enculturation or adaptation of the Gospel for Thai culture and have