Epidemiologic Typing of Salmonella enterica Serotype Enteritidis in a Canada-Wide Outbreak of Gastroenteritis due to Contaminated Cheese

Author:

Ahmed Rafiq,Soule Geoff,Demczuk Walter H.,Clark Clifford,Khakhria Rasik,Ratnam Samuel1,Marshall Stephen,Ng Lai-King,Woodward David L.,Johnson Wendy M.,Rodgers Frank G.

Affiliation:

1. National Laboratory for Enteric Pathogens, Bureau of Microbiology, Laboratory Centre for Disease Control, Winnipeg, Manitoba R3E 3R2, and Provincial Public Health Laboratory, St. John's, Newfoundland,1 Canada

Abstract

ABSTRACT A major Canada-wide outbreak of gastroenteritis due to Salmonella enterica serotype Enteritidis phage type (PT) 8 occurred in 1998, and this was traced to contaminated cheese in a commercial lunch pack product. Phage typing and pulsed-field gel electrophoresis linked the clinical and cheese isolates of serotype Enteritidis but failed to differentiate outbreak from nonoutbreak PT 8 strains. Further differentiation was made by biotyping based on melibiose fermentation.

Publisher

American Society for Microbiology

Subject

Microbiology (medical)

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