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Bacterial enteropathogens in Malaysian shellfish

M Jegathesan, L T Wah, L E Soon

    Tropical and Geographical Medicine
    |June 1, 1976
    PubMed
    Summary
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    Common shellfish in Malaysia often contain harmful bacteria like Vibrio parahaemolyticus and enteropathogenic E. coli, posing a risk for diarrheal disease transmission through consumption.

    Area of Science:

    • Microbiology
    • Food Safety
    • Public Health

    Background:

    • Shellfish are a common food source in Malaysian coastal areas.
    • Bacterial contamination of seafood poses a significant public health risk.
    • Enteropathogens in shellfish can lead to gastrointestinal illnesses.

    Purpose of the Study:

    • To investigate the prevalence of common bacterial enteropathogens in frequently consumed shellfish species from Malaysian waters.
    • To assess the potential risk of diarrheal disease transmission associated with shellfish consumption.

    Main Methods:

    • Bacteriological analysis of three common shellfish species.
    • Isolation and identification of Vibrio parahaemolyticus, non-agglutinating vibrios, enteropathogenic E. coli, and Salmonella.
    • Assessment of bacterial colony counts and indicators of fecal contamination.

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    Main Results:

    • Vibrio parahaemolyticus, non-agglutinating vibrios, and enteropathogenic E. coli were frequently isolated.
    • Salmonella was detected in two samples.
    • High bacterial counts and evidence of fecal contamination suggest pollution as the source.

    Conclusions:

    • Malaysian coastal shellfish harbor significant levels of enteropathogenic bacteria.
    • Consumption of these shellfish, especially with inadequate cooking, increases the risk of diarrheal diseases.
    • Effective pollution control and safe food handling practices are crucial.