Arbovirus control: what is the (real) stone in the way?

Lopes, Thaísa Regina Rocha; Paiva, Marcelo Henrique Santos; Farias, Pablo Cantalice Santos; Júnior, José Valter Joaquim Silva

doi:10.1590/s1678-9946201961015

Cited by 2 publications

(1 citation statement)

References 5 publications

(7 reference statements)

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“…The IVC is a method that involves the simultaneous use of several interventions, such as biological, chemical, genetic and physical control, established according to the characteristics of each area 18 . Some reports have shown that the adoption of an IVC strategy guarantees the immediate reduction in mosquito populations as well as the maintenance of low population densities for long periods 10,16,17 .…”

Section: Introductionmentioning

confidence: 99%

Double BR-OVT: a new trap model for collecting eggs and adult mosquitoes from Culex quinquefasciatus and Aedes spp.

Xavier

Rodrigues²,

Melo³

et al. 2020

Rev. Inst. Med. trop. S. Paulo

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Section: Introductionmentioning

confidence: 99%

Double BR-OVT: a new trap model for collecting eggs and adult mosquitoes from Culex quinquefasciatus and Aedes spp.

Xavier

Rodrigues²,

Melo³

et al. 2020

Rev. Inst. Med. trop. S. Paulo

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Integrated Strategies for Aedes aegypti Control Applied to Individual Houses: An Approach to Mitigate Vectorial Arbovirus Transmission

Melo,

Santos,

Xavier

et al. 2024

TropicalMed

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Aedes aegypti and Culex quinquefasciatus mosquitoes are vectors of different arboviruses that cause a large burden of disease in humans worldwide. A key step towards reducing the impact of arboviruses on humans can be achieved through integrated mosquito surveillance and control approaches. We carried out an integrated approach of mosquito surveillance and control actions to reduce populations of these insects along with a viral surveillance in a neighborhood of Recife (Northeastern Brazil) with high mosquito densities and arbovirus transmission. The actions were carried out in 40 different houses in the Nova Descoberta neighborhood. The area was divided into two groups, the control group using tools to monitor the mosquito density (1 OVT; 1 Double BR-ovt; monthly capture of alates) and the experimental group with control actions using surveillance tools in an intensified way (2 OVTs; 2 Double BR-ovts; fortnightly capture of alates; toxic baits). We evaluated the study’s impact on the mosquito density via the Egg Density (ED) and Adult Density (AD) over a period of 12 cycles of 28 days each. The collected adult mosquitoes were processed via RT-qPCR for DENV, CHIKV and ZIKV and, subsequently, the Minimum Infection Rate (MIR) was calculated. After 12 cycles, we observed a 91% and 99% reduction in Aedes ED and AD in the monitored properties, as well as a 76% reduction in the AD of Cx. quinquefasciatus in the same properties. Moreover, we detected circulating arboviruses (DENV and ZIKV) in 19.52% of captured adult mosquitoes. We show that enhancing entomological surveillance tools can aid in the early detection of possible risk areas based on vector mosquito population numbers. Additionally, the detection of important arboviruses such as ZIKV and DENV raises awareness and allows for a better selection of risk areas and silent virus spread. It offers supplementary information for guiding emergency mosquito control measures in the target area. The goal is to minimize human–vector interactions and, subsequently, to lower the risk of transmitting circulating arboviruses.

show abstract

Arbovirus control: what is the (real) stone in the way?

Cited by 2 publications

References 5 publications

Double BR-OVT: a new trap model for collecting eggs and adult mosquitoes from Culex quinquefasciatus and Aedes spp.

Double BR-OVT: a new trap model for collecting eggs and adult mosquitoes from Culex quinquefasciatus and Aedes spp.

Integrated Strategies for Aedes aegypti Control Applied to Individual Houses: An Approach to Mitigate Vectorial Arbovirus Transmission

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