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 diseases. The Antonine and Cyprian plagues were transmitted through touch, so a dense population rate would contribute highly to their spread. Deforestation of Rome's cities, particularly near the Tiber River, led to higher disease rates. The causality is as follows: deforestation lead to a rising water table, which increased marshes. This increased the larva in Rome, and in turn increased disease borne from blood-sucking bugs. As in many of today's third world countries, mosquitos and other vectors were carriers of various diseases, such as malaria and the Ross River virus. Influenza, colds, and other ailments were just as apparent, if