Columbus' city health agency is investigating two cases of Legionnaire's disease with ties to Ohio State University.
The Dispatch reports one of the cases involves a student at Drackett Tower dormitory and the second a Columbus resident employed at the university's Newark campus.
Ohio State said in a statement Tuesday that Columbus Public Health has concluded the cases aren't connected.
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It's uncertain where or how the two people contracted the disease, which is caused by bacteria in water systems. Water fountains on one side of the 12-story Drackett Tower have been shut off.
Some students living at Drackett have complained they learned of the situation through social media and not the university. A university spokesman said notification wasn't required because it was an isolated case not an outbreak.