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Epidemiological features of a newly described serotype of Shigella boydii

Published online by Cambridge University Press:  09 July 2004

P. KALLURI
Affiliation:
Epidemic Intelligence Service, Epidemiology Program Office, Centers for Disease Control and Prevention, Atlanta, GA, USA Foodborne and Diarrheal Diseases Branch, Centers for Disease Control and Prevention, Atlanta, GA, USA
K. C. CUMMINGS
Affiliation:
California State Department of Health Services, Sacramento, CA, USA
S. ABBOTT
Affiliation:
California State Department of Health Services, Sacramento, CA, USA
G. B. MALCOLM
Affiliation:
Foodborne and Diarrheal Diseases Branch, Centers for Disease Control and Prevention, Atlanta, GA, USA
K. HUTCHESON
Affiliation:
Foodborne and Diarrheal Diseases Branch, Centers for Disease Control and Prevention, Atlanta, GA, USA
A. BEALL
Affiliation:
Foodborne and Diarrheal Diseases Branch, Centers for Disease Control and Prevention, Atlanta, GA, USA
K. JOYCE
Affiliation:
Foodborne and Diarrheal Diseases Branch, Centers for Disease Control and Prevention, Atlanta, GA, USA
C. POLYAK
Affiliation:
Foodborne and Diarrheal Diseases Branch, Centers for Disease Control and Prevention, Atlanta, GA, USA
D. WOODWARD
Affiliation:
National Laboratory for Enteric Pathogens, National Microbiology Laboratory, Health Canada Winnipeg, Manitoba, Canada
R. CALDEIRA
Affiliation:
National Laboratory for Enteric Pathogens, National Microbiology Laboratory, Health Canada Winnipeg, Manitoba, Canada
F. RODGERS
Affiliation:
National Laboratory for Enteric Pathogens, National Microbiology Laboratory, Health Canada Winnipeg, Manitoba, Canada
E. D. MINTZ
Affiliation:
Foodborne and Diarrheal Diseases Branch, Centers for Disease Control and Prevention, Atlanta, GA, USA
N. STROCKBINE
Affiliation:
Foodborne and Diarrheal Diseases Branch, Centers for Disease Control and Prevention, Atlanta, GA, USA
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Abstract

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We report the clinical, microbiological, and epidemiological features of an emerging serotype, Shigella boydii 20. We interviewed patients about symptoms, and history of travel and visitors during the week before illness onset. Seventy-five per cent of the 56 patients were Hispanic. During the week before illness onset, 18 (32%) travelled abroad; 17 (94%) had visited Mexico. Eight (21%) out of 38 who had not travelled had foreign visitors. There were eight closely related patterns by PFGE with XbaI. S. boydii 20 may be related to travel to Mexico and Hispanic ethnicity. Prompt epidemiological investigation of clusters of S. boydii 20 infection may help identify specific vehicles and risk factors for infection.

Type
Research Article
Copyright
2004 Cambridge University Press