The Great Plague of Vienna occurred in 1679 in Vienna, Austria. From long studies of ancient texts, scholars believe from the descriptions, the disease is believed to have been bubonic plague, which is caused by the bacterium Yersinia pestis. Which is carried by fleas associated with the black rat and other rodents. The city was crippled by the epidemic, which recurred fitfully into the early 1680s, claiming an estimated 76,000 residents.
 
You will receive one single-use glass vial of this potion, sealed by cork, and dipped in wax to ensure the potency of your potion. According to all the laws and regulations set forth by the Ministry of Magic and all abiding councils. That this sample will be solely used for research in the areas of magical study. It will be tagged and packaged with the utmost care to ensure the safest delivery.