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Maternal Geohelminth Infections Are Associated with an Increased Susceptibility to Geohelminth Infection in Children: A Case-Control Study

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  • Raaj S Mehta
  • Alejandro Rodriguez
  • Martha Chico
  • Irene Guadalupe
  • Nely Broncano
  • Carlos Sandoval
  • Fernanda Tupiza
  • Edward Mitre
  • Philip J Cooper

Abstract

Background: Children of mothers infected with soil-transmitted helminths (STH) may have an increased susceptibility to STH infection. Methods and Findings: We did a case-control study nested in a birth cohort in Ecuador. Data from 1,004 children aged 7 months to 3 years were analyzed. Cases were defined as children with Ascaris lumbricoides and/or Trichuris trichiura, controls without. Exposure was defined as maternal infection with A. lumbricoides and/or T. trichiura, detected during the third trimester of pregnancy. The analysis was restricted to households with a documented infection to control for infection risk. Children of mothers with STH infections had a greater risk of infection compared to children of uninfected mothers (adjusted OR 2.61, 95% CI: 1.88–3.63, p

Suggested Citation

  • Raaj S Mehta & Alejandro Rodriguez & Martha Chico & Irene Guadalupe & Nely Broncano & Carlos Sandoval & Fernanda Tupiza & Edward Mitre & Philip J Cooper, 2012. "Maternal Geohelminth Infections Are Associated with an Increased Susceptibility to Geohelminth Infection in Children: A Case-Control Study," PLOS Neglected Tropical Diseases, Public Library of Science, vol. 6(7), pages 1-6, July.
    • Handle: RePEc:plo:pntd00:0001753
    DOI: 10.1371/journal.pntd.0001753
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