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Aedes aegypti control in breeding sites through an insecticidal coating with dual effect: Laboratory trials and safety assessment

Cardenas, Rocio; Cabrera Quinero, Olga Lucia; Carrillo, Maria Angelica; Pineda, Alejandra; Ahumada, Martha Liliana; Yañez, Yohana; Hanafy M. Ismail; Mark Paine; Rivera Ramirez, Tatiana; Kroeger, Axel (Medical and veterinary entomologyReino Unido, 2024-10-22)

Ground water tanks are known to be preferred Aedes aegypti oviposition places providing opportunities for adult and larvae control. Therefore, a dual-effect insecticidal coating (IC) (alphacypermethrin/ pyriproxyfen) with ...
Conocimiento sobre el dengue en la población del barrio Cúcuta 75 de san José de Cúcuta, Norte de Santander, durante el primer semestre de 2019.

Alvarez Villa, Maria Angelica (Universidad Francisco de Paula SantanderFacultad de Ciencias de la SaludSan José de CúcutaTecnología en Regencia de Farmacia, 2019)

El dengue es una enfermedad aguda provocada por un virus, contagiado por el mosquito Aedes Aegypti. Este vector es endémico en zonas tropicales y subtropicales. Se reconoce una aparición de manifestaciones de la enfermedad, ...
The use of mobile phones for the prevention and control of arboviral diseases: a scoping review

Carrillo, Maria Angelica; Kroeger, Axel; Cardenas, Rocio; Diaz Monsalve, Sonia; Runge-Ranzinger, Silvia (BMC Public HealthReino Unido, 2021-01-09)

Background: The rapid expansion of dengue, Zika and chikungunya with large scale outbreaks are an increasing public health concern in many countries. Additionally, the recent coronavirus pandemic urged the need to ...
WhatsApp-based intervention in urban Colombia to support the prevention of arboviral diseases: a feasibility study

Carrillo, Maria Angelica; Gessler, Alisa Maria; Rivera Ramirez, Tatiana; Cárdenas Sanchez, Rocío; Jörg Lindenmeier; Winfried V. Kern & Axel Kroeger (Pathogens and global healthInglaterra, 2024-05-24)

Arboviral diseases remain a significant health concern worldwide, with over half the world's population at risk for dengue alone. Without a vaccine or targeted treatment, the most effective strategy of prevention is vector ...

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Aedes aegypti control in breeding sites through an insecticidal coating with dual effect: Laboratory trials and safety assessment
...
Cardenas, Rocio | 2024-10-22

Ground water tanks are known to be preferred Aedes aegypti oviposition places providing opportunities for adult and larvae control. Therefore, a dual-effect insecticidal coating (IC) (alphacypermethrin/ pyriproxyfen) with a slow-release mechanism and safe for users could be applied within Aedes spp. breeding sites, representing a promising option. Bioassays were designed to determine the mortality and sterilizing effects on gravid mosquitoes exposed to IC. The effect of inhibition of emergence was evaluated in eggs, larvae and pupae exposed in different containers. For the water safety assessment concentrations of active ingredients were determined by reverse phase high performance liquid chromatography (RP-HPLC) and the health risk was calculated. The IC applied to the interior walls of water-holding containers showed efficacy against Ae. aegypti in terms of high gravid-female mortality (81% at 24 h, p < 0.01), sterilizing effect (inhibition of oviposition by 63%, p < 0.01) and emergence inhibition (100% in eggs, L3 and L4; 97% in pupae). The offspring rate was reduced [only 0.15 (38/250) new adults emerged per exposed gravid females as against 11.90 per unexposed female (2976/250) at baseline]. Emergence inhibition was recorded up to 12 months and adult mortality >80% up to 6 months. The use of water stored in treated containers, either for washing or drinking, is not expected to pose a health risk to users. IC applied to domestic water containers has dual and complementary action that reduces Ae. aegypti densities (immature and adult stages). This represents baseline information for a cluster randomized efficacy trial in Colombia.

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Conocimiento sobre el dengue en la población del barrio Cúcuta 75 de san José de Cúcuta, Norte de Santander, durante el primer semestre de 2019.
...
Alvarez Villa, Maria Angelica | 2019

El dengue es una enfermedad aguda provocada por un virus, contagiado por el mosquito Aedes Aegypti. Este vector es endémico en zonas tropicales y subtropicales. Se reconoce una aparición de manifestaciones de la enfermedad, que va desde procesos asintomáticos hasta cuadros hemorrágicos con choque. Es así como se definen dos formas específicas: dengue y dengue grave, cada una con diferentes tipos de gravedad. La presente investigación tiene el objetivo de Determinar el nivel de conocimiento sobre el dengue que posee la población del Barrio Cúcuta 75 de San José de Cúcuta, Norte de Santander, durante el primer semestre del 2019. El enfoque empleado es de tipo cuantitativo, ya que se busca reunir gran cantidad de información necesaria por medio de encuestas para así reconocer la situación en que los habitantes del Barrio Cúcuta 75 almacenan de agua, desechos sin hacer excepción a las condiciones de vida tienen, las cuales no favorecen la prevención del Dengue en el sector. Dentro de la investigación, se realizarán evaluaciones de los factores determinantes para contraer el dengue, haciendo énfasis en las actividades realizadas por las personas antes de contraer la enfermedad y así lograr determinar que existen factores como la emigración a otros municipios que pueden estar influyendo en el aumento de los casos, se realizaran controles en la zona. También se destaca a la comunidad la importancia del lavado de tanques ya que es un problema que está afectando a la sociedad por el mal almacenamiento del agua mucho tiempo en recipientes o tanques aumentando de esta manera los posibles criaderos de larvas.

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The use of mobile phones for the prevention and control of arboviral diseases: a scoping review
...
Carrillo, Maria Angelica | 2021-01-09

Background: The rapid expansion of dengue, Zika and chikungunya with large scale outbreaks are an increasing public health concern in many countries. Additionally, the recent coronavirus pandemic urged the need to get connected for fast information transfer and exchange. As response, health programmes have -among other interventions- incorporated digital tools such as mobile phones for supporting the control and prevention of infectious diseases. However, little is known about the benefits of mobile phone technology in terms of input, process and outcome dimensions. The purpose of this scoping review is to analyse the evidence of the use of mobile phones as an intervention tool regarding the performance, acceptance, usability, feasibility, cost and effectiveness in dengue, Zika and chikungunya control programmes. Methods: We conducted a scoping review of studies and reports by systematically searching: i) electronic databases (PubMed, PLOS ONE, PLOS Neglected Tropical Disease, LILACS, WHOLIS, ScienceDirect and Google scholar), ii) grey literature, using Google web and iii) documents in the list of references of the selected papers. Selected studies were categorized using a pre-determined data extraction form. Finally, a narrative summary of the evidence related to general characteristics of available mobile health tools and outcomes was produced. Results: The systematic literature search identified 1289 records, 32 of which met the inclusion criteria and 4 records from the reference lists. A total of 36 studies were included coming from twenty different countries. Five mobile phone services were identified in this review: mobile applications (n = 18), short message services (n=7), camera phone (n = 6), mobile phone tracking data (n = 4), and simple mobile communication (n = 1). Mobile phones were used for surveillance, prevention, diagnosis, and communication demonstrating good performance, acceptance and usability by users, as well as feasibility of mobile phone under real life conditions and effectiveness in terms of contributing to a reduction of vectors/ disease and improving users-oriented behaviour changes. It can be concluded that there are benefits for using mobile phones in the fight against arboviral diseases as well as other epidemic diseases. Further studies particularly on acceptance, cost and effectiveness at scale are recommended.

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WhatsApp-based intervention in urban Colombia to support the prevention of arboviral diseases: a feasibility study
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Carrillo, Maria Angelica | 2024-05-24

Arboviral diseases remain a significant health concern worldwide, with over half the world's population at risk for dengue alone. Without a vaccine or targeted treatment, the most effective strategy of prevention is vector management with community involvement. mHealth interventions, like WhatsApp, offer promising results for engaging communities and promoting healthier behaviors. This study explores the feasibility of integrating WhatsApp in vector control activities to improve arbovirus prevention in Colombia. A mixed-methods approach was employed to assess the WhatsApp-based intervention. WhatsApp messages were sent to 45 community women for 5 weeks to increase their knowledge and practices about dengue, Zika, and chikungunya. Pre-and-post surveys and focus group discussions were conducted in community settings to measure the feasibility and acceptability of this intervention. Chat reviews were done to assess the usability of users. A total of 1566 messages were exchanged in 45 WhatsApp chats. High acceptance and good usability (82% of users used the app for replying) were reported in this study. WhatsApp messages were perceived as short, clear, and enjoyable. Users liked the frequency, and design of messages. Pre- and post-surveys demonstrated improvements in the knowledge and practices of arboviral diseases. The intention to apply this knowledge in practice was reflected in a significant improvement, particularly in cleaning the laundry tank once a week (pre 62.1% to post 89.6%, p < 0.008). This study suggests that using WhatsApp as an additional tool could be a feasible, acceptable, and affordable strategy for improving the adoption of better practices in the prevention of arboviral diseases.

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Browsing by Subject "Dengue"

Aedes aegypti control in breeding sites through an insecticidal coating with dual effect: Laboratory trials and safety assessment

Conocimiento sobre el dengue en la población del barrio Cúcuta 75 de san José de Cúcuta, Norte de Santander, durante el primer semestre de 2019.

The use of mobile phones for the prevention and control of arboviral diseases: a scoping review

WhatsApp-based intervention in urban Colombia to support the prevention of arboviral diseases: a feasibility study

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Aedes aegypti control in breeding sites through an insecticidal coating with dual effect: Laboratory trials and safety assessment

Conocimiento sobre el dengue en la población del barrio Cúcuta 75 de san José de Cúcuta, Norte de Santander, durante el primer semestre de 2019.

The use of mobile phones for the prevention and control of arboviral diseases: a scoping review

WhatsApp-based intervention in urban Colombia to support the prevention of arboviral diseases: a feasibility study

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Browsing by Subject "Dengue"

Aedes aegypti control in breeding sites through an insecticidal coating with dual effect: Laboratory trials and safety assessment ﻿

Conocimiento sobre el dengue en la población del barrio Cúcuta 75 de san José de Cúcuta, Norte de Santander, durante el primer semestre de 2019. ﻿

The use of mobile phones for the prevention and control of arboviral diseases: a scoping review ﻿

WhatsApp-based intervention in urban Colombia to support the prevention of arboviral diseases: a feasibility study ﻿

Envíos recientes

Aedes aegypti control in breeding sites through an insecticidal coating with dual effect: Laboratory trials and safety assessment

Conocimiento sobre el dengue en la población del barrio Cúcuta 75 de san José de Cúcuta, Norte de Santander, durante el primer semestre de 2019.

The use of mobile phones for the prevention and control of arboviral diseases: a scoping review

WhatsApp-based intervention in urban Colombia to support the prevention of arboviral diseases: a feasibility study

Portales Institucionales

Aedes aegypti control in breeding sites through an insecticidal coating with dual effect: Laboratory trials and safety assessment

Conocimiento sobre el dengue en la población del barrio Cúcuta 75 de san José de Cúcuta, Norte de Santander, durante el primer semestre de 2019.

The use of mobile phones for the prevention and control of arboviral diseases: a scoping review

WhatsApp-based intervention in urban Colombia to support the prevention of arboviral diseases: a feasibility study