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Enteric Pathogen Diversity in Infant Foods in Low-Income Neighborhoods of Kisumu, Kenya

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  • Kevin Tsai

    (Department of Occupational and Environmental Health, University of Iowa, Iowa City, IA 52246, USA)

  • Sheillah Simiyu

    (Center of Research, Great Lakes University of Kisumu, Kisumu 40100, Kenya)

  • Jane Mumma

    (Center of Research, Great Lakes University of Kisumu, Kisumu 40100, Kenya)

  • Rose Evalyne Aseyo

    (Center of Research, Great Lakes University of Kisumu, Kisumu 40100, Kenya)

  • Oliver Cumming

    (Department of Disease Control, London School of Hygiene and Tropical Medicine, London WC1E 7HT, UK)

  • Robert Dreibelbis

    (Department of Disease Control, London School of Hygiene and Tropical Medicine, London WC1E 7HT, UK)

  • Kelly K. Baker

    (Department of Occupational and Environmental Health, University of Iowa, Iowa City, IA 52246, USA)

Abstract

Pediatric diarrheal disease remains the second most common cause of preventable illness and death among children under the age of five, especially in low and middle-income countries (LMICs). However, there is limited information regarding the role of food in pathogen transmission in LMICs. For this study, we examined the frequency of enteric pathogen occurrence and co-occurrence in 127 infant weaning foods in Kisumu, Kenya, using a multi-pathogen PCR diagnostic tool, and assessed household food hygiene risk factors for contamination. Bacterial, viral, and protozoan enteric pathogen DNA and RNA were detected in 62% of the infant weaning food samples collected, with 37% of foods containing more than one pathogen type. Multivariable generalized linear mixed model analysis indicated type of infant food best explained the presence and diversity of enteric pathogens in infant food, while most household food hygiene risk factors considered in this study were not significantly associated with pathogen contamination. Specifically, cow’s milk was significantly more likely to contain a pathogen (adjusted risk ratio = 14.4; 95% confidence interval (CI) 1.78–116.1) and more likely to have higher number of enteric pathogen species (adjusted risk ratio = 2.35; 95% CI 1.67–3.29) than porridge. Our study demonstrates that infants in this low-income urban setting are frequently exposed to diarrhoeagenic pathogens in food and suggests that interventions are needed to prevent foodborne transmission of pathogens to infants.

Suggested Citation

  • Kevin Tsai & Sheillah Simiyu & Jane Mumma & Rose Evalyne Aseyo & Oliver Cumming & Robert Dreibelbis & Kelly K. Baker, 2019. "Enteric Pathogen Diversity in Infant Foods in Low-Income Neighborhoods of Kisumu, Kenya," IJERPH, MDPI, vol. 16(3), pages 1-16, February.
    • Handle: RePEc:gam:jijerp:v:16:y:2019:i:3:p:506-:d:204982
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    References listed on IDEAS

    as
    1. Delia Grace, 2015. "Food Safety in Low and Middle Income Countries," IJERPH, MDPI, vol. 12(9), pages 1-18, August.
    2. Duncan Mara & Jon Lane & Beth Scott & David Trouba, 2010. "Sanitation and Health," PLOS Medicine, Public Library of Science, vol. 7(11), pages 1-7, November.
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