CFIA are recalling additional frozen burgers.
Federal health officials have expanded a burger recall first announced last week due to possible E. coli O157:H7 contamination.
The Canadian Food Inspection Agency recall initially involved Compliments brand Super 8 Beef Burgers sold in packages of six in Sobeys, Sobeys Urban, Foodland, Freshco and Price Chopper stores in Ontario and Atlantic Canada.
The recall now includes President's Choice Beef Burgers in 4.54 kilogram packages sold nationally in Loblaws banner stores and Webers Bucket of Burgers sold in 1.02 kilogram packages, which may have been distributed across Canada.
The CFIA said Toronto-based Belmont Meats Ltd. was voluntarily recalling the affected burgers and cautions that the recall may be expanded further.
Ontario Chief Medical Officer of Health Dr. Arlene King says that as of Wednesday there were seven confirmed and one suspect cases of E. coli in the province linked to the burgers.
After the initial recall was announced, health officials in southwestern Ontario said lab tests linked three cases of E. coli O157:H7 to the Compliments burgers. The Middlesex-London Health Unit said the three residents of London were recovering.

Woodstock Council Approves Volunteer Recognition Event
Woodstock Receives OLG Payment
NDCC Nominated for BASF Grant
G1 Driver Charged with Stunt Driving
Ontario Extends GO Train Service to Stratford
UPDATE: Thames River Cleanup Gets Rescheduled
Woodstock Choralaires Present: Thank You For the Music
Hawkins Chapel to Become Historical Site
UPDATE: Rainfall Warning Issued for Oxford
Members Needed for Joint Compliance Audit Committee
Assault Charge Laid in Delhi
Oxford MP Reacts to Liberal Majority
RCMP Dismantles Norwich Drug Lab
Theatre Woodstock Presents: The 39 Steps
BBBS Oxford Launches Online 50/50 Fundraiser
Heavy Rain Expected for Oxford County
Woodstock Continues Project on Future Transit
New Municipal Election Nomination Package Now Available
PM Mark Carney Temporarily Suspends Gas Tax
Ontario Proposed Changes to Ban Uniform Charges