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As part of a larger research program evaluating chemical threshold levels for a Push-Pull intervention to reduce man-vector (Aedes aegypti) contact, this qualitative study explored local perceptions and strategies associated with mosquito control within dengue-endemic communities in Peru and Thailand. Focus groups were used to provide preliminary information that would identify possible public acceptance issues to the Push-Pull strategy in each site. Nine focus group discussions (total of 102 individuals) conducted between September 2008 and March 2009 examined several themes: 1) current mosquito control practices; 2) perceptions of spatial repellency and contact irritancy versus killing mosquitoes; and 3) initial perceptions toward mosquito host-seeking traps. Results indicate participants use household-level strategies for insect control that reveal familiarity with the concept of spatial repellent and contact irritant actions of chemicals and that placing traps in the peridomestic environment to remove repelled mosquitoes was acceptable. Preliminary evidence suggests a Push-Pull strategy should be well accepted in these locations. These results will be beneficial for developing future large scale push-pull interventions and are currently being used to guide insecticide application strategies in (entomological) proof-of-concept studies using experimental huts.
Financial support: This research was supported by the Bill & Melinda Gates Foundation grant no. 48513. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.
Disclosure: Institutional Review Board (IRB) approval for this study was obtained from the Uniformed Services University of the Health Sciences (USUHS) for both locations. In addition, the following IRB approvals were obtained for Peru: U.S. Naval Medical Research Center Detachment in Lima (NMRCD) and Tulane University School of Public Health and Tropical Medicine. Additional approvals for Thailand came from the Ethical Committee for Research in Human Subjects, Department of Disease Control, Ministry of Public Health. Approvals were obtained for the recruitment scripts, consent forms, and the focus group guides. All human subjects gave informed consent to participating in the study and to having the session audio-taped prior to the start of the focus group discussions: in Peru, all human subjects gave oral informed consent for both participation and audiotaping, whereas in Thailand, all human subjects gave written consent to participation and audiotaping. Author Kirk Mundal is a U.S. military service member. This work was prepared as part of his official duties. Title 17 U.S.C. § 105 provides that ‘Copyright protection under this title is not available for any work of the United States Government’. Title 17 U.S.C. § 101 defines a U.S. Government work as a work prepared by a military service members or employees of the U.S. Government as part of those person's official duties.
Authors' addresses: Valerie A. Paz-Soldan, International Health and Development Department, Tulane University School of Public Health and Tropical Medicine, New Orleans, LA, E-mail: email@example.com. Valaikanya Plasai, Bureau of the Vector-borne Diseases, Department of Disease Control, Ministry of Public Health, Nonthaburi, Thailand, E-mail: firstname.lastname@example.org. Amy C. Morrison, Department of Entomology, University of California at Davis, Davis, CA, E-mail: email@example.com. Esther J. Rios-Lopez and Shirly Guedez-Gonzales, United States Naval Medical Research Center Detachment, Iquitos, Peru, E-mails: firstname.lastname@example.org and email@example.com. John P. Grieco and Nicole L. Achee, Department of Preventive Medicine and Biometrics, Uniformed Services University of the Health Sciences, Bethesda, MD, E-mails: firstname.lastname@example.org and email@example.com. Kirk Mundal, Department of Entomology, United States Naval Medical Research Center Detachment, Lima, Peru, E-mail: Kirk.Mundal@med.navy.mil. Theeraphap Chareonviriyaphap, Department of Entomology, Faculty of Agriculture, Kasetsart University, Bangkok, Thailand, E-mail: firstname.lastname@example.org.