The accord for the release of the girls has been called into question since it was announced.
The first lady has asked why she herself can't stand for the Presidency.
Student leaders late on Thursday announced a plan for an electronic poll of protesters on reform proposals.
The device will be used to detect cow milk protein and food for people who have an intolerance to gluten.
Authorities say a two-year-old girl who had travelled to neighbouring Guinea was infected.
Details emerge on Ottawa gunman