The Canadian Food Inspection Agency issues a recall on November 23, 2011 for several brand names of cheese and dairy products distributed throughout Ontario and Quebec provinces, due to potential contamination with Listeria, a bacteria that can cause severe illness and even death.

http://ca.news.yahoo.com/cdn-food-inspection-agency-recalls-certain-cheese-dairy-090008185.html
http://www.cbc.ca/news/health/story/2011/11/24/cheese-recall.html
http://www.inspection.gc.ca/english/corpaffr/recarapp/2011/20111124be.shtml