6 Employees Working on Same Floor of Boston-Area Hospital Diagnosed With Brain Tumors

The employees all worked on the fifth floor ‘for varying durations,’ the hospital president said, adding that investigators have found no environmental risks.

A registered nurse cares for a patient at a hospital in Apple Valley, Calif., on Jan. 5, 2021. Mario Tama/Getty Images

Six employees who have performed work on the same floor at a Boston-area hospital have been diagnosed with brain tumors.

Mass General Brigham Newton-Wellesley Hospital President and Chief Operating Officer Ellen A. Maloney identified the sixth staff member in a statement on April 10 after other cases were disclosed earlier in April.