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Audrey Lenhart
Centers for Disease Control and Prevention
VirologyAedes aegyptiAedesDengue feverBiology
79Publications
20H-index
1,505Citations
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Publications 85
Newest
#1Yamili Contreras-Perera (Universidad Autónoma de Nuevo León)H-Index: 1
#2Gustavo Ponce-Garcia (Universidad Autónoma de Nuevo León)H-Index: 6
Last. Adriana E. Flores (Universidad Autónoma de Nuevo León)H-Index: 15
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BACKGROUND: Insecticide resistance is a serious problem for vector control programmes worldwide. Resistance is commonly attributed to mutations at the insecticide's target site or increased activity of detoxification enzymes. METHODS: We determined the knockdown concentration (KC50) and lethal concentration (LC50) of deltamethrin in six natural populations of adult Aedes aegypti from southeastern Mexico. These populations were then selected over five generations using the LC50 from the preceding...
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In 2016, four clusters of local mosquitoborne Zika virus transmission were identified in Miami-Dade County, Florida, USA, generating "red zones" (areas into which pregnant women were advised against traveling). The Miami-Dade County Mosquito Control Division initiated intensive control activities, including property inspections, community education, and handheld sprayer applications of larvicides and adulticides. For the first time, the Mosquito Control Division used a combination of areawide ul...
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#1Audrey Lenhart (LSTM: Liverpool School of Tropical Medicine)H-Index: 20
#2Amy C. Morrison (UC Davis: University of California, Davis)H-Index: 36
Last. Eric S. HalseyH-Index: 20
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Dengue is one of the most important vector-borne diseases, resulting in an estimated hundreds of millions of infections annually throughout the tropics. Control of dengue is heavily dependent upon control of its primary mosquito vector, Aedes aegypti. Innovative interventions that are effective at targeting the adult stage of the mosquito are needed to increase the options for effective control. The use of insecticide-treated curtains (ITCs) has previously been shown to significantly reduce the ...
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#1Paula Pareja‐Loaiza (University of Cartagena)H-Index: 1
Last. Audrey Lenhart (CDC: Centers for Disease Control and Prevention)H-Index: 20
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Aedes aegypti is the main vector of dengue, chikungunya, and Zika viruses, which are of great public health importance in Colombia. Aedes control strategies in Colombia rely heavily on the use of organophosphate and pyrethroid insecticides, providing constant selection pressure and the emergence of resistant populations. In recent years, insecticide use has increased due to the increased incidence of dengue and recent introductions of chikungunya and Zika. In the present study, pyrethroid resist...
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#1Zachary J. Madewell (UCSD: University of California, San Diego)
#2Silvia M. Sosa (Universidad del Valle de Guatemala)H-Index: 5
Last. Celia Cordon-Rosales (Universidad del Valle de Guatemala)H-Index: 18
view all 7 authors...
Aedes aegypti-borne diseases are becoming major public health problems in tropical and sub-tropical regions. While socioeconomic status has been associated with larval mosquito abundance, the drivers or possible factors mediating this association, such as environmental factors, are yet to be identified. We examined possible associations between proximity to houses and roads and immature mosquito abundance, and assessed whether these factors and mosquito prevention measures mediated any associati...
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#1Jesús PintoH-Index: 4
#2Miriam PalominoH-Index: 1
Last. Audrey Lenhart (CDC: Centers for Disease Control and Prevention)H-Index: 20
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Background Epidemics of dengue, chikungunya and Zika are a growing threat to areas where Aedes aegypti are present. The efficacy of chemical control of Ae. aegypti is threatened by the increasing frequency of insecticide resistance. The objective of this study was to determine the susceptibility status as well as the biochemical and molecular mechanisms underlying insecticide resistance in three populations of Ae. aegypti in high risk areas of dengue, chikungunya, and Zika in Peru.
2 CitationsSource
#1Eric OchomoH-Index: 12
#2Luc DjogbenouH-Index: 3
Last. Nicola MulderH-Index: 35
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#1Ryan R. HemmeH-Index: 5
#2Lucrecia VizcainoH-Index: 4
Last. Audrey LenhartH-Index: 20
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In response to the 2016 Zika outbreak, Aedes aegypti mosquitoes from 38 locations across Puerto Rico were screened using Centers for Disease Control and Prevention bottle bioassays for sensitivity to insecticides used for mosquito control. All populations were resistant to pyrethroids. Naled, an organophosphate, was the most effective insecticide, killing all mosquitoes tested.
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Last. Pablo Manrique Saide (UADY: Universidad Autónoma de Yucatán)H-Index: 16
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