North Carolina health officials have identified a hot tub display at the Mountain State Fair as the source of 140 cases of legionnaires’ disease including three deaths, CNN reports.

In recent weeks, health officials have confirmed 140 cases among people who attended the NC Mountain State Fair in Fletcher, North Carolina, last month have been diagnosed with Legionnaires’ disease, an airborne lung infection, or Pontiac Fever, a milder form of the disease.

The 140 cases involve people from several North Carolina counties and a few other states. Ninety-four people have been hospitalized, health officials said.

The outbreak has been linked to a hot tubs display in one events center and officials said it took place during the last five days of the fair, a preliminary report shows.

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