Nearly three dozen cases of Legionnaires' disease, a severe, often lethal, form of pneumonia spread through the air, have been reported in the Bronx over the last two weeks in what the Health Department is calling a concerning "unusual increase" in cases.
http://www.nbcnewyork.com/news/local/Legionnaires-Disease-Outbreak-New-York-City-Bronx-Health-Fever-Cough-Chills-319433211.html

NYC investigates Legionnaire's outbreak

http://www.usatoday.com/story/news/2015/07/29/legionairres-outbreak-nyc/30860109/