There are Eight E. coli O157:H7 illnesses with indistinguishable PFGE patterns in four states – Oregon, Washington Vermont and Minnesota.  The Cheese distribution list in part is below:

Whole Foods, (GTN) (RSQ) (PRN), Great Ciao, Provista Specialty Foods Inc., Ideal Cheese, Aniate Cheese, Cavanioles Gourmet, Marion St. Cheese Market, The Herbfarm, Tomales Bay Foods, Farmstead Inc., Quality Cheese, Rays Boathouse, Savout, Kirkland Met Market, The Cheese Shop, Madison Market, Di Bruno Bros, Glover St. Market, Metropolitan Market, St. Kilians, Calf & Kid, Gourmet Imports, Higgins Rest., Poppy (Capitol Hill), Marche Guillarume Bienaime, PCC Fremont, PCC Seward Park, Darien Cheese & fine Foods

Screen shot 2010-12-17 at 10.51.50 AM.png

You also might find the various inspection documentation interesting.  See PDF1, PDF2, PDF3, PDF4 and PDF5.