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
Water supply and sanitation in Gibraltar that sea water and sewage had infiltrated the town's supply of drinking water. The findings led to the old Spanish aqueduct and wells being closed down permanently as it was realised that they posed a severe hazard to public health. Another cholera outbreak in 1865, which killed several hundred people, prompted the establishment of a Sanitary Commission for Gibraltar. Ironically, the fragmented water provision system in Gibraltar probably hindered the spread of the outbreak as it isolated the contaminated water supplies. Inhabitants who drew their water from private wells or cisterns were far less likely to succumb to the disease