The diagnosis of tuberculosis in a nursing student prompted a briefing by health officials Tuesday to 174 students, faculty and staff members at the University of Texas Health Science Center who might have been exposed.

The student, who isn’t being identified, is undergoing treatment, according to a university statement.

Staff of the Metropolitan Health District conducted the briefing and are trying to determine which of those 174 might be at risk and should be tested.

It wasn’t known if any potential contacts outside the health science center were being interviewed or tested.

Tuberculosis is a bacterial infection that typically requires close contact over a prolonged period of time to spread. It is treated with antibiotics.

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