By CBSNewYork Team

NEW YORK (CBSNewYork) — New York City’s health department is investigating a Legionnaires’ cluster in Central Harlem.

Health officials say there have been nine cases since Aug. 9.

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All nine individuals have been hospitalized. Officials say seven of those victims are 50 years old or older.

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Those infected have experienced flu-like symptoms, including fever and cough.

The health department is sampling water in the area. People get Legionnaires’ disease by breathing in water vapor that contains bacteria.

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Legionnaires’ disease is not contagious and can be treated with antibiotics when caught early.

CBSNewYork Team