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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Abstract

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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