New York Health officials have reported a rise in Legionnaires' disease cases in Manhattan's Upper East Side, with dozens of cooling towers in the area testing positive for the bacteria.

The source of the Legionnaires' disease outbreak in Upper Manhattan's Upper East Side remains unknown, as health officials continue their investigation. Residents are urged to take precautions while the cause is being determined.

A Legionnaires' disease outbreak on Manhattan's Upper East Side has led to 23 confirmed cases and 17 hospitalizations, with authorities identifying cooling towers as a likely source. Visitors are advised to monitor for symptoms of the illness.