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 in Mexico in Mexico) in which he included an introduction about what is smallpox and instructions to treat it, such as drinking warm water with salt and honey, gargling with water and vinegar, keep tidy and clean and finish treatment by taking a purgative. He thought that smallpox was a remedy of nature to clear bad mood and doctors should not accelerate the process of healing because it was against nature. He wrote a letter to propose his measures as a strategy to combat smallpox in which he also included recommendations like purify air with gunpowder and scent, ventilate churches where bodies