date:Dec 21, 2012
ed case was September 9th; the 17th and last outbreak patient fell ill on October 15th.
On December 5, 2012, PHAC advised CFIA that it had identified a cluster of E. coliO157:H7 illnesses that might be linked to frozen burgers produced by Cardinal Meat Specialists Limited (Establishment 752). The onset date of the first illness was September 30th; that latest was November 22nd. It was only on December 7th that CFIA retrieved samples from the home of one of the five outbreak victims; collectio