Protesters were unhappy about what they felt was a lack of substantive concessions.
Ahead of a January deadline set by regional leaders, not one Hutu rebel had laid down his weapon.
Canada's Tekmira Pharmaceuticals Corp says it has begun manufacturing an Ebola drug.
The UN humanitarian chief, Valerie Amos, is calling for an urgent political solution.
Boko Haram has not confirmed the truce and there were at least six attacks over the weekend.
The committee will review the scope of the outbreak and whether additional measures are needed.