Permethrin treated clothing to protect outdoor workers: evaluation of different methods for mosquito exposure against populations with differing resistance status

Stephanie L. Richards, Nwanne Agada, Jo Anne G. Balanay, Avian V. White

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

Minimizing arthropod exposure (e.g. mosquito and tick bites) is vital to protect health of outdoor workers. Personal protective measures can help protect against exposure. Here, the quantity of permethrin was evaluated for different fabric types after washing. Cone and petri dish exposure assays were used to investigate the knockdown/mortality of permethrin-susceptible and permethrin-resistant populations of mosquitoes. Permethrin-treated clothing was effective against the tested mosquito population that was susceptible to permethrin but not a permethrin-resistant population. Permethrin quantity was significantly highest in the 100% cotton fabric and for the 0 wash group. Permethrin quantity in fabrics decreased with washing. No significant differences (p > 0.05) were observed in knockdown/mortality rates for either exposure method. The protective effect of permethrin-treated clothing against mosquitoes is impacted by many factors, e.g. wash frequency, fabric type, and the susceptibility/resistance status of local mosquito populations.

Original languageEnglish
Pages (from-to)13-21
Number of pages9
JournalPathogens and Global Health
Volume112
Issue number1
DOIs
StatePublished - Jan 2 2018
Externally publishedYes

Keywords

  • Bioassay
  • insecticide resistance
  • knockdown
  • occupational health
  • pyrethroid
  • worker protection

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