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,
History of smallpox 10th century. Methods of carrying out the procedure varied depending upon location. Variolation was the sole method of protection against smallpox other than quarantine until Jenner's discovery of the inoculating abilities of cowpox against the smallpox virus in 1796. Efforts to protect populations against smallpox by way of vaccination followed for centuries after Jenner's discovery. Smallpox has since been completely eradicated since 1979, because of the mass vaccination efforts of the World Health Organization. The word variolation is synonymous with inoculation, insertion, en-grafting, or transplantation. The term is used to define insertion of smallpox matter, and distinguishes this procedure from