BOSTON – November 01, 2026 -- More than 4,000 registered nurses at Brigham and Women's Hospital will begin an open-ended strike at 7 a.m. on November 12 after rejecting Mass General Brigham's (MGB) "last, best, and final" contract offer. The Massachusetts Nurses Association (MNA), which represents the nurses, describes the action as the largest open-ended strike in Massachusetts history.