September 7, 2016 8:55 am Flu Mist Declared Ineffective The height of the flu season is just around the corner, but the flu mist vaccine is no longer an option. US & World Videos 2:08 Tension grows over campus protests in Boston 2:31 Fallen Billerica Police Sgt. Ian Taylor honored at vigil 2:33 Massive fire destroys Randolph apartment building 2:50 Rally held in Boston in support of Jewish college students 2:39 MIT president calls for shutdown of student encampments