aDr. B. Finlay, University of British Columbia, Vancouver, British Colombia.bDr. C. Poppe, Laboratory for Foodborne Zoonoses, Health Canada, Guelph, Ontario.
aAnaerobic strains were cultivated in GasPak anaerobic chamber (Becton Dickinson, Franklin Lakes, NJ) with Pack-Anaero sachet (MGC Inc., New York, NY). bMedium: LB, Luria-Bertani; TSB, Trypticase soy
