Legionnaires' disease diagnosed with the disease and five of them dying from it. In Quincy, Illinois, at the Illinois Veterans home, a 2015 outbreak of the disease killed 12 people and sickened more than 50 others. It was believed to be caused by infected water supply. Three more cases have been identified as of November 2017. In the fall of 2017, 22 cases were reported in a Legionnaires' disease outbreak in Anaheim, CA's Disneyland theme park. It was believed to have been caused by a cooling tower that releases mist for the comfort of visitors. The contaminated droplets likely spread to the
Disease in Imperial Rome was not ideal for combating diseases. Their sewer system, praised for its longevity, had many flaws. As "Water History"’s Roger Hanson explains, street drainage and sewage flowed through the same pipes, which led to sewage openings on the streets. Also, since most sewer systems were privately owned, they were also privately maintained and in turn neglected. Instead, citizens would turn to their latrines; if they lived on anything but the ground floor they would even throw their excrement onto the street. This led to exposure of sewage to flies, dogs, and bacteria, all of which helped spread disease among Romans.