150 students, some staff at Ridgemont High School possibly exposed to tuberculosis

Ottawa Public Health is investigating the possibility that 150 students and some staff at Ridgemont High School were exposed to a student with active tuberculosis.
The students, their parents and the staff have received a letter recommending they be tested for TB infection, said Ottawa Public Health.
Public Health said the students and staff may have been exposed between Sept. 4 and Nov. 12.
The infected student is no longer in school, said a spokesperson for the Ottawa-Carleton District School