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Resistance to temephos and deltamethrin in Aedes aegypti from Brazil between 1985 and 2017

Overview of attention for article published in Memórias do Instituto Oswaldo Cruz, January 2019
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  • High Attention Score compared to outputs of the same age and source (86th percentile)

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Title
Resistance to temephos and deltamethrin in Aedes aegypti from Brazil between 1985 and 2017
Published in
Memórias do Instituto Oswaldo Cruz, January 2019
DOI 10.1590/0074-02760180544
Pubmed ID
Authors

Denise Valle, Diogo Fernandes Bellinato, Priscila Fernandes Viana-Medeiros, José Bento Pereira Lima, Ademir de Jesus Martins

Abstract

Aedes aegypti populations in Brazil have been subjected to insecticide selection pressures with variable levels and sources since 1967. Therefore, the Brazilian Ministry of Health (MoH) coordinated the activities of an Ae. aegypti insecticide resistance monitoring network (MoReNAa) from 1999 to 2012. The objective of this study was to consolidate all information available from between 1985 and 2017 regarding the resistance status and mechanisms of Brazilian Ae. aegypti populations against the main insecticide compounds used at the national level, including the larvicide temephos (an organophosphate) and the adulticide deltamethrin (a pyrethroid). Data were gathered from two sources: a bibliographic review of studies published from 1985 to 2017, and unpublished data produced by our team within the MoReNAa between 1998 and 2012. A total of 146 municipalities were included, many of which were evaluated several times, totalling 457 evaluations for temephos and 274 for deltamethrin. Insecticide resistance data from the five Brazilian regions were examined separately using annual records of both the MoH supply of insecticides to each state and the dengue incidence in each evaluated municipality. Ae. aegypti resistance to temephos and deltamethrin, the main larvicide and adulticide, respectively, employed against mosquitoes in Brazil for a long time, was found to be widespread in the country, although with some regional variations. Comparisons between metabolic and target-site resistance mechanisms showed that one or another of these was the main component of pesticide resistance in each studied population. (i) A robust dataset on the assessments of the insecticide resistance of Brazilian Ae. aegypti populations performed since 1985 was made available through our study. (ii) Our findings call into question the efficacy of chemical control as the sole methodology of vector control. (iii) It is necessary to ensure that sustainable insecticide resistance monitoring is maintained as a key component of integrated vector management. (iv) Consideration of additional parameters, beyond the supply of insecticides distributed by the MoH or the diverse local dynamics of dengue incidence, is necessary to find consistent correlations with heterogeneous vector resistance profiles.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 138 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 138 100%

Demographic breakdown

Readers by professional status Count As %
Student > Bachelor 24 17%
Student > Master 19 14%
Researcher 18 13%
Student > Ph. D. Student 13 9%
Student > Doctoral Student 10 7%
Other 25 18%
Unknown 29 21%
Readers by discipline Count As %
Agricultural and Biological Sciences 34 25%
Biochemistry, Genetics and Molecular Biology 17 12%
Medicine and Dentistry 15 11%
Nursing and Health Professions 11 8%
Pharmacology, Toxicology and Pharmaceutical Science 9 7%
Other 15 11%
Unknown 37 27%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 4. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 20 June 2019.
All research outputs
#7,782,070
of 25,385,509 outputs
Outputs from Memórias do Instituto Oswaldo Cruz
#276
of 1,502 outputs
Outputs of similar age
#149,903
of 446,429 outputs
Outputs of similar age from Memórias do Instituto Oswaldo Cruz
#6
of 44 outputs
Altmetric has tracked 25,385,509 research outputs across all sources so far. This one has received more attention than most of these and is in the 69th percentile.
So far Altmetric has tracked 1,502 research outputs from this source. They receive a mean Attention Score of 4.6. This one has done well, scoring higher than 81% of its peers.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 446,429 tracked outputs that were published within six weeks on either side of this one in any source. This one has gotten more attention than average, scoring higher than 66% of its contemporaries.
We're also able to compare this research output to 44 others from the same source and published within six weeks on either side of this one. This one has done well, scoring higher than 86% of its contemporaries.