Protective Behavior Survey, West Nile Virus, British Columbia

Aquino, Michael; Fyfe, Murray; MacDougall, Laura; Remple, Valencia P.

doi:10.3201/eid1008.031053

Cited by 47 publications

(28 citation statements)

References 9 publications

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“…Increased knowledge and use of plant based repellent against mosquito bites in the community suggests that local people also see the advantages of plant-derived products over imported synthetic repellents or chemical pesticides [ 22 ]. Synthetic chemicals such as organochlorides do not readily degrade in nature and have been identified as ubiquitous pollutants in aquatic ecosystems [ 24 , 25 ]. Concern about the deleterious effects associated with synthetic acaricides and insecticides has revived interest in plants as alternative pesticides for medical, veterinary and crop protection [ 8 ].…”

Section: Discussionmentioning

confidence: 99%

Longitudinal evaluation of Ocimum and other plants effects on the feeding behavioral response of mosquitoes (Diptera: Culicidae) in the field in Tanzania

et al. 2008

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Background: The use of repellent materials from plants against nuisance insects is common with great potential to compliment existing malaria control programmes and this requires evaluation in the field. Ocimum plant species, Ocimum suave (Willd) and O. kilimandscharicum (Guerke) materials and their essential oils extracted by steam distillation were evaluated in the field and experimental huts for repellence, exophily and feeding inhibition effects against three mosquito species, Anopheles arabiensis (Patton), An. gambiae ss (Giles) and Culex quinquefasciatus (Say). The protective effect of essential oils from Ocimum plants were compared with N, Ndiethly-3-methylbenzamide (DEET), a standard synthetic repellent. Also, the protective effect of fumigation by burning of repellent plants; Ocimum suave, Ocimum kilimandscharicum, Azadirachta indica, Eucalyptus globules and Lantana camara were tested in experimental huts and selected local houses.

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Section: Discussionmentioning

confidence: 99%

Longitudinal evaluation of Ocimum and other plants effects on the feeding behavioral response of mosquitoes (Diptera: Culicidae) in the field in Tanzania

et al. 2008

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“…The availability of natural product-based repellents provides important environmentally friendly alternatives to synthetic repellents. Concerns have been raised by many about the safety of synthetic repellents such as DEET for environmental and human health [ 17 ]. Repellents are a key method for preventing tick bites, which are responsible for the transmission of a variety of zoonotic diseases, including Lyme disease.…”

Section: Introductionmentioning

confidence: 99%

Synthesis and Characterization of β-Cyclodextrin-Essential Oil Inclusion Complexes for Tick Repellent Development

et al. 2021

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Essential oils (EOs) are used in several pest management applications. Due to their volatility, EOs may experience bioactivity reduction, thus requiring protection to extend their properties. In the present study, we investigated the inclusion complex formation (IC) of β-cyclodextrin (β-CD) with selected EOs with known tick repellent activity using two co-precipitation methods. ICs were characterized by evaluating EO mass concentration and inclusion efficiency (% IE) and other instrumental methods. Co-precipitation method 2 yielded the highest EO mass concentration (88 ± 6 μg/mg β-CD) for the 1:1 molar ratio geranium Egyptian EO IC. The EO volatile release over time from the ICs was investigated by headspace SPME/GC-MS analysis. ICs were also tested in tick repellency bioassays. ICs reported significant tick repellent activity, with lemongrass IC performing best overall. Method 1 showed the best combination of high mass concentration EO, controlled volatile release, and tick repellency with lemongrass EO. The results demonstrated that β-CD had selectively encapsulated different EOs. Moreover, the formation of ICs may improve EO tick repellent properties protecting the active ingredients and providing a better, long-lasting repellent action. These findings will allow the development of more effective naturally derived repellent products to protect individuals from tick bites and prevent tick-borne illnesses.

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“…Several studies examining protective behavior toward WNv have included various measures of risk perception [ 6 – 13 ]. These studies have shown that perception of WNv risk is among the significant predictors of protective behavior, but they have not elaborated how individuals perceive this risk.…”

Section: Introductionmentioning

confidence: 99%

“…Studies of WNv have also identified a number of other factors affecting protective behavior [ 6 , 8 , 10 – 13 , 17 , 18 ]. While sometimes informally used, these factors have been consistent with the Health Belief Model (HBM) with respect to addressing perceived severity and perceived susceptibility to WNv as behavioral predictors.…”

Section: Introductionmentioning

confidence: 99%

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Perceptual influences on self-protective behavior for West Nile virus, A survey in Colorado, USA

Trumbo

Harper

2015

BMC Public Health

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BackgroundThe endemic state of West Nile virus (WNv) in North America underscores the need to examine mechanisms influencing human self-protective behavior. Based on previous findings and theory, this study is designed to achieve two specific aims. First, the study will examine self-protective behavior for WNv through a hybridized treatment of the Health Belief Model that includes cognitive, affective, ecological, and proximity risk perception measures. Second, within the resulting hybridized model explore the role of ethnicity in self-protective behavior for WNv.MethodsData were collected in Greeley, Colorado, using a self-administered mail survey. 384 completed surveys were returned (49 % completion rate). The questionnaire used items on cognitive-affective risk perception, ecological and proximity risk perception constructs, the Health Belief Model and demographics.ResultsAnalysis revealed that newer risk perception models (ecological and proximity) provide some power to explain protective behavior. The psychometric measures of risk perception (cognitive and affective components) provided the best explanatory power. Self-protective behavior was further enhanced by the perception of benefits associated with such actions and the exposure to information cues to action. Hispanic/Latinos demonstrate greater perception of risk/susceptibility and greater exposure to information cues to action, and were more likely to practice self-protective behavior.ConclusionsThe findings in this study point to several useful openings for effective public health communication and intervention for WNv based on affective response, information exposure, and ethnicity. The results also have relevance for vectored diseases generally. It is becoming clear that changes in global climate will bring increased threat from mosquito vectored diseases. Mosquito protection will be an increasingly salient topic for public health communicators in the coming years.

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Protective Behavior Survey, West Nile Virus, British Columbia

Cited by 47 publications

References 9 publications

Longitudinal evaluation of Ocimum and other plants effects on the feeding behavioral response of mosquitoes (Diptera: Culicidae) in the field in Tanzania

Longitudinal evaluation of Ocimum and other plants effects on the feeding behavioral response of mosquitoes (Diptera: Culicidae) in the field in Tanzania

Synthesis and Characterization of β-Cyclodextrin-Essential Oil Inclusion Complexes for Tick Repellent Development

Perceptual influences on self-protective behavior for West Nile virus, A survey in Colorado, USA

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