Mozart and smallpox the imperial family were successful, and led to greater public acceptance for the procedure. Smallpox struck the Mozart family again in the next generation: Nannerl's eldest son Leopold and two of her stepchildren caught the disease during an outbreak in the Salzburg area in 1787. All three children survived. In 1796, the discovery of vaccination—the use of the related cowpox virus to immunize against smallpox—by Edward Jenner revolutionized the ability of medicine to deal with smallpox. Vaccination reached Vienna around 1800, when yet another local epidemic created impetus for its adoption. One of the doctors trained in the Vienna campaign,
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