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Household fish preparation hygiene and cholera transmission in Monrovia, Liberia.

P. Scheelbeek,Sam Treglown,T. Reid,Peter Maes

Published 2009 in Journal of Infection in Developing Countries

ABSTRACT

BACKGROUND In the 1980s Vibrio cholerae was found to be an autochthonous resident of aquatic environments. As result, ingestion of undercooked, contaminated fish has been associated with cholera transmission. An alternative mechanism of transmission associated with fish was hypothesised by Schürmann et al. in 2002. He described a cholera case that was more likely to have been infected by contamination on the patient's hands rather than by ingestion of contaminated fish. METHODOLOGY With fish being the main diet in Liberia, we decided to examine fish samples and preparation techniques in Monrovia. Excreta of 15 fish, caught in the estuarine waters of Monrovia, were analysed for V. cholerae. In addition, fish preparation methods were observed in 30 households. RESULTS Two fish samples were found positive. Observations revealed that hygiene measures during the gutting process of fish were limited; although hands were usually rinsed, in all cases soap was not used. Furthermore, contaminated water was frequently reused during food preparation. CONCLUSIONS Since the cooking process of fish (and thus elimination of bacteria) in Monrovia usually consists of both frying and boiling, it seems plausible that in this context, the hypothesis by Schürmann et al. could be applicable. Further research is necessary to confirm this association, which could be a starting point for more context-specific health education campaigns addressing food preparation hygiene as risk factor for cholera.

PUBLICATION RECORD

  • Publication year

    2009

  • Venue

    Journal of Infection in Developing Countries

  • Publication date

    2009-10-26

  • Fields of study

    Biology, Medicine, Environmental Science

  • Identifiers
    DOI 10.3855/JIDC.615PMID 19858575
  • External record

    Open on Semantic Scholar

  • Source metadata

    Semantic Scholar, PubMed

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