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A national outbreak of salmonella serotype tennessee infections from contaminated peanut butter: a new food vehicle for salmonellosis in the United States.
MedLine Citation:
PMID:  21810748     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Background. Salmonella serotype Tennessee is a rare cause of the estimated 1 million cases of salmonellosis occurring annually in the United States. In January 2007, we began investigating a nationwide increase in Salmonella Tennessee infections. Methods. We defined a case as Salmonella Tennessee infection in a patient whose isolate demonstrated 1 of 3 closely related pulsed-field gel electrophoresis patterns and whose illness began during the period 1 August 2006 through 31 July 2007. We conducted a case-control study in 22 states and performed laboratory testing of foods and environmental samples. Results. We identified 715 cases in 48 states; 37% of isolates were from urine specimens. Illness was associated with consuming peanut butter more than once a week (matched odds ratio [mOR], 3.5 [95% confidence interval {95% CI}, 1.4-9.9]), consuming Brand X peanut butter (mOR, 12.1 [95% CI, 3.6-66.3]), and consuming Brand Y peanut butter (mOR, 9.1 [95% CI, 1.0-433]). Brands X and Y were produced in 1 plant, which ceased production and recalled products on 14 February 2007. Laboratories isolated outbreak strains of Salmonella Tennessee from 34 Brands X and Y peanut butter jars and 2 plant environmental samples. Conclusions. This large, widespread outbreak of salmonellosis is the first linked to peanut butter in the United States; a nationwide recall resulted in outbreak control. Environmental contamination in the peanut butter plant likely caused this outbreak. This outbreak highlights the risk of salmonellosis from heat-processed foods of nonanimal origin previously felt to be low risk for Salmonella contamination.
Authors:
Anandi N Sheth; Mike Hoekstra; Nehal Patel; Gwen Ewald; Cathy Lord; Carmen Clarke; Elizabeth Villamil; Katherine Niksich; Cheryl Bopp; Thai-An Nguyen; Donald Zink; Michael Lynch
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Clinical infectious diseases : an official publication of the Infectious Diseases Society of America     Volume:  53     ISSN:  1537-6591     ISO Abbreviation:  Clin. Infect. Dis.     Publication Date:  2011 Aug 
Date Detail:
Created Date:  2011-08-03     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9203213     Medline TA:  Clin Infect Dis     Country:  United States    
Other Details:
Languages:  eng     Pagination:  356-62     Citation Subset:  IM    
Affiliation:
Division of Foodborne, Bacterial, and Mycotic Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia.
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