Evaporative heat rejection equipment, such as cooling towers, have been implicated in numerous outbreaks of Legionnaires’ disease, and studies have shown that detectable levels of Legionella are present in many, if not most, such devices. Testing of cooling towers in the area revealed 20 contaminated with the Legionella bacteria, with 14 inside the “affected area”. ![]() ![]() The situation has local and state officials investigating alongside the CDC, and they have narrowed down the source to the usual suspect, cooling towers. Legionnaires’ Outbreak - Death Count Increases to 12ĪugDeath count increases to 12, with 124 confirmed cases of Legionellosis in New York City’s South Bronx. In this article, mechanical engineer Rene Basulto discusses the 2015 outbreak of Legionnaires' Disease in New York City, the suspected role that mechanical building systems play in the outbreak of the disease, and the changing standards that are designed to control the growth of the Legionella bacteria.
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