Sysco Seattle Inc., a Seattle, Wash. firm, is recalling approximately 16,800 pounds of ground beef patties imported from Canada because they may have been contaminated with E. coli O157:H7, the U.S. Department of Agriculture’s Food Safety and Inspection Service (FSIS) announced today.

The following products are subject to recall:

10 lb. boxes of PRIME RIB BEEF PATTIES 8 oz, with product code 55317, and production code 11 NO 22
10 lb boxes of PRIME RIB BEEF PATTIES 71g, with product code 55391 and bearing a production code of 11 SE 01 or 12 JA 04