Answer: Bacteria
Notes: In July 2025, five confirmed cases of Legionnaires' disease were reported in Central Harlem, New York City. The New York City Department of Health launched an urgent investigation into possible environmental sources. Cooling towers, air conditioners, hot tubs, and humidifiers are being tested for Legionella bacteria. Legionnaires' disease is a severe type of pneumonia caused by Legionella bacteria. The bacteria are found in natural water sources like lakes, rivers, and soil, and can spread through inhaling contaminated water droplets. It is not contagious and cannot spread from person to person.
