Document Detail


Prevalence of Escherichia coli and Salmonella spp. in street-vended food of open markets (tianguis) and general hygienic and trading practices in Mexico City.
MedLine Citation:
PMID:  15635978     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Street-vendors in Mexico City provide ready-to-eat food to a high proportion of the inhabitants. Nevertheless, their microbiological status, general hygienic and trading practices are not well known. During spring and summer 2000, five tianguis (open markets) were visited and 48 vendors in 48 stalls interviewed. A total of 103 taco dressings were sampled for E. coli and Salmonella spp.: 44 (43%) contained E. coli and 5 (5%) Salmonella (2 S. Enteritidis phage type 8, 1 S. Agona, 2 S. B group). Both E. coli and salmonellas were isolated from three samples. Of Salmonella-positive stalls 80% (4/5) had three or more food-vendors and 80% of vendors were males, compared with 37.3% (16/43) and 46.4% (20/43) in the Salmonella-negative stalls respectively. Food-vendors kept water in buckets (reusing it all day), lacked toilet facilities, and prepared taco dressings the day before which remained at the tianguis without protection for 7.8 h on average. Consumption of street-vended food by local and tourist populations poses a health risk.
Authors:
T Estrada-Garcia; C Lopez-Saucedo; B Zamarripa-Ayala; M R Thompson; L Gutierrez-Cogco; A Mancera-Martinez; A Escobar-Gutierrez
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Epidemiology and infection     Volume:  132     ISSN:  0950-2688     ISO Abbreviation:  Epidemiol. Infect.     Publication Date:  2004 Dec 
Date Detail:
Created Date:  2005-01-07     Completed Date:  2005-01-26     Revised Date:  2010-05-17    
Medline Journal Info:
Nlm Unique ID:  8703737     Medline TA:  Epidemiol Infect     Country:  England    
Other Details:
Languages:  eng     Pagination:  1181-4     Citation Subset:  IM    
Affiliation:
Department of Molecular Biomedicine, CINVESTAV-IPN, Mexico City, Mexico. testrada@mail.cinvestav.mx
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MeSH Terms
Descriptor/Qualifier:
Cities
Commerce
Data Collection
Escherichia coli / isolation & purification*,  pathogenicity
Escherichia coli Infections / transmission*
Food Contamination*
Humans
Hygiene*
Mexico
Prevalence
Public Health
Risk Assessment
Salmonella / isolation & purification*,  pathogenicity
Salmonella Infections / transmission*
Seasons

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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