Environmental pathways of exposure to DDT for children living in a malarious area of Chiapas, Mexico

  • Herrera-Portugal C
  • Ochoa H
  • Franco-Sánchez G
 et al. 
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Considering that DDT was used for control of malaria vectors in Mexico, and taking into account that the information regarding children in areas exposed to DDT is scarce, we started a research program for the assessment of health effects in children living in DDT sprayed areas. In this first report, we present information about pathways of exposure in two communities with a different history of exposure to DDT. Environmental pathways such as outdoor soils, indoor soils and household dust were assessed comparing a community highly exposed to DDT (HEC) and a community less exposed to DDT (LEC). Also in these communities, a cross-sectional study of 60 children (30 in each community) aged 6-12 years was conducted. Tests included a questionnaire and the measurement of whole blood DDT and DDE. Results show that in children living in the HEC, DDT and DDE mean blood levels were higher (15.9±8.2 and 58.2±29.2 μg/L) than in the LEC (1.9±3.6 and 9.2±5.7 μg/L) (P

Author-supplied keywords

  • Children
  • DDD
  • DDE
  • DDT

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