A Legionnaires' disease outbreak in New York City has led to the first death among 67 confirmed cases, health officials announced Friday.
The outbreak is centered on Manhattan's Upper East Side, where many residents have fallen ill.
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The city began monitoring the situation on July 2 after two initial cases were reported.
According to the city health department, dozens of patients have been hospitalized with the severe form of pneumonia.
The US Centers for Disease Control and Prevention estimates that about 10% of those infected may die from the illness.
“We are closely monitoring the situation and are taking precautions to ensure public safety,” a health department spokesperson said.
Investigators are working to identify the source of the bacteria. Testing has been conducted in cooling towers across more than 75 buildings on the Upper East Side.
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Health officials have found either living or dead Legionella bacteria in these systems, which are commonly located atop large structures.
All buildings where bacteria were detected have been ordered to clean and disinfect their cooling towers.
“The bacteria thrive in warm water and can be found in various locations, including cooling towers and hot tubs,” the spokesperson noted.
Legionnaires' disease is not transmitted from person to person; infection occurs by inhaling contaminated water droplets.
Last year, a similar outbreak in Harlem resulted in seven deaths and over 100 infections, underscoring the severity of the disease.
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City officials urge residents to remain vigilant and report any symptoms as the investigation continues.