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Enseña Cuernavaca a elaborar repelente natural para prevenir dengue, zika y chikungunya Más de 30 personas participaron en un taller organizado por el Ayuntamiento de Cuernavaca para aprender a elaborar repelente natural y reforzar las acciones de prevención contra enfermedades transmitidas por el mosquito Aedes aegypti....
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Divinópolis passa de 2 mil casos confirmados de dengue A Prefeitura de Divinópolis, por meio da Secretaria Municipal de Saúde (Semusa), divulgou o balanço das arboviroses no município referente ao ano de 2026....
Arboviral diseases such as dengue, chikungunya, and yellow fever are major public health concerns in Africa, with Aedes aegypti as the primary vector. Insecticide‑based interventions remain the cornerstone of vector control, but their effectiveness is increasingly compromised by the evolution of resistance. Monitoring resistance dynamics is therefore essential to guide sustainable control strategies. Adults emerged from eggs collected in urban and peri‑urban sites of Ouagadougou in 2019 and 2020, were exposed to insecticide-treated papers according to WHO standard tubes protocols. Mosquitoes were exposed to 0.03% deltamethrin, 0.08% malathion, and 0.21% pirimiphos‑methyl for one hour. The mortality rate was recorded 24 hours after exposure and compared across years and sites using Chi‑square test. The tested populations were resistant to deltamethrin, with lower mortality rates at the urban site (20.20% in 2019 vs. 23.76% in 2020; p = 0.5434) but a significant change at the peri-urban site (70.24% vs. 24.30%; p < 0.001). The resistance to malathion was moderate with, mortality rate decreasing from 91.51% to 82.98% in the urban site (p = 0.069), and from 98.99% to 59.61% in the peri‑urban site (p= 0.001). Pirimiphos‑methyl mortality rates slightly drop from 80.39% to 74.72% (p=0.44) in urban site and from 93.20% to 84.69% (p=0.001). These findings reveal a worrying trend of reducing susceptibility of Aedes aegypti to both pyrethroids and organophosphates, particularly in peri‑urban areas within in one year. The results underscore the urgent need for continuous resistance monitoring and the implementation of early resistance management strategy to sustain arbovirus prevention efforts in Burkina Faso.
Two years evolution of deltamethrin, malathion and pirimiphos-methyl resistance in Aedes aegypti from urban in peri urban sites of Ouagadougou, Burkina Faso
Abstract Arboviral diseases such as dengue, chikungunya, and yellow fever are major public health concerns in Africa, with Aedes aegypti as the primary vector. Insecticide‑based interventions remain the cornerstone of vector control, but their effectiveness is increasingly compromised by the evolution of resistance. Monitoring resistance dynamics is therefore essential to guide sustainable…
El Llantatón 2026 concluyó con la recolección de casi 1,800 neumáticos, 300 más de los previstos. La campaña busca reducir criaderos del mosquito transmisor del dengue y mejorar el entorno del municipio. #Jojutla
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Realiza Cuautla feria de salud para prevenir enfermedades transmitidas por animales El Ayuntamiento de Cuautla realizó la Feria Una Sola Salud con vacunación antirrábica, consultas veterinarias y acciones de prevención para reducir el riesgo de enfermedades zoonóticas...
Chiapas alcanza 100 casos de dengue; cuatro evolucionaron a grave Hasta el corte más reciente, la entidad acumula 29 casos que corresponden a dengue no grave, 67 presentan signos de alarma y 4 han sido clasificados como dengue grave.... https://alertachiapas.com/2026/07/07/chiapas-alcanza-100-casos-de-dengue-cuatro-evolucionaron-a-grave/
Barrera del idioma limita campañas de salud en Chiapas La falta de inclusión genera que comunidades indígenas se enfrenten a la barrera del lenguaje. En…... https://alertachiapas.com/2026/07/07/barrera-del-idioma-limita-campanas-de-salud-en-chiapas/
