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From surveillance to control: Evaluation of a larvicide intervention against Ae. aegypti in Brownsville, Texas.
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9 2019
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Source: J Am Mosq Control Assoc. 35(3):233-237
[PDF-1.59 MB]
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Alternative Title:J Am Mosq Control Assoc
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Description:South Texas is recognized as a potential area for the emergence and re-emergence of mosquito-borne diseases due to recent circulation of Zika, chikungunya, and dengue viruses. During 2017, high | abundance found in the city of Brownsville, TX, in combination with the previous year's local transmission of Zika virus, triggered the activation of the Texas Department of State Health Services Emergency Mosquito Control Contingency Contract. A contract with the Clarke Environmental and Mosquito Control was a response to control |, using a ground-based wide-area larvicide spray (WALS™) containing |. The WALS application was evaluated through a field-based bioassay and by comparing surveillance data pre- and post-WALS application. The WALS application bioassay demonstrated that the larvicide was effective up to 60 m into the target properties. Additionally, the number of | captured in traps decreased in the WALS intervention areas compared with the untreated control areas, with an estimated 29% control.
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Pubmed ID:31647710
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Pubmed Central ID:PMC7138466
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