Cochrane & Associates, LLC

Deaths due to Legionnaires’ Disease Results in Widespread Order to Inspect Cooling Towers


Source: Cochrane & Associates, LLC

The professionals at Clark Seif Clark (CSC) provide testing services to help prevent outbreaks of Legionella and identify sources of the bacteria.

Chatsworth, CA -- The outbreak of Legionnaires’ disease in New York continues to grow.  So far, 10 people have died from the condition and over 100 have reportedly been infected.  New York health officials have called in the Centers for Disease Control and Prevention (CDC) to assist with their investigation of the outbreak.

Five cooling towers have already tested positive for the bacteria that cause the disease, but officials are unsure if any of them were directly responsible for the outbreak.  The New York City Health Commissioner has ordered that all building owners with cooling towers at their facilities have the units inspected.  Media reports indicate that there are likely at least 2,500 cooling towers in the city. 

Legionnaires’ disease is caused by Legionella pneumophila bacteria.  The transmission ofLegionella occurs via aerosols, when mists containing the viable bacteria are inhaled.  The CDC reports that each year in the U.S., between 8,000 and 18,000 people are hospitalized with Legionnaires' disease; however, many infections are not diagnosed or reported, so this number may be higher. 

“In past outbreaks, deaths have resulted in 5% to 30% of those infected so it is imperative that any sources of Legionella pneumophila be identified quickly to stop the outbreak,” said Franco Seif, President of Clark Seif Clark.  “Legionella is found naturally in the environment and if water systems aren’t properly maintained, dangerous concentrations of the bacteria can proliferate. Proactive water testing can help identify if the bacteria is present to prevent these types of outbreaks.”

The environmental professional at Clark Seif Clark offerLegionellatesting and consulting services across the United States.  Their experts are available to respond at a moment’s notice to collect samples for this potentially deadly bacteria.  

CSC has also sponsored an educational video about the risks associated with Legionella that can be seen at: 

To learn how Clark Seif Clark can test for Legionellaor assist with other indoor air quality (IAQ), industrial hygiene, environmental, health and safety projects, please visit, email or call (800) 807-1118.

About Clark Seif Clark

CSC was established in 1989 to help clients in both public and private sectors address environmental, IAQ, and health and safety (EH&S) issues. CSC is a leading provider of these services with multiple offices along the western seaboard and southwest. The company believes in science-based protocols and has a strong background in engineering, making them the preferred environmental consultants to industrial clients, healthcare facilities, architects, schools, builders, contractors, developers and real estate professionals.

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