Dengue, chikungunya y el mosquito vector en el límite sur de distribución durante la epidemia 2023, Argentina
; Diribarne, Ignacio ; Palacios, Juan José ; Lopez, Jesica ; Martinez, Sofía ; Weiss, María del Carmen ; Gentile, Luciano ; Castex, Andrea ; Damiani, Mirna ; Del Blanco, Natacha ; Castiglia Sole, Juan Agustín ; Rozas Dennis, Gabriela Susana Otros responsables
Fecha
04/2024
Editorial
Medicina (Buenos Aires)
Revista
Medicina (Buenos Aires)
Título del libro
Nombre del evento
Fecha del evento
Institución organizadora
ISSN
0025-7680
eISSN
1669-9106
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Español
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Clasificación temática
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Resumen
Objetivos: Monitorear la actividad de oviposición del mosquito Aedes aegypti y de casos de dengue y chikungunya en cuatro localidades de Argentina templada, durante la epidemia del 2023. Métodos: Durante el verano y otoño del 2023, se monitoreó semanalmente mediante ovitrampas la actividad de oviposición del mosquito vector, y se registró el arribo de casos con dengue o chikungunya a Tandil, Olavarría, Bahía Blanca y Laprida. Resultados: La variación mensual del porcentaje de trampas positivas fue similar en las tres primeraslocalidades; en Laprida no se detectó el mosquito. Por el contrario, se observó una diferencia significativa del porcentaje de trampas que alguna vez resultó positivaen cada localidad, siendo mayor en Olavarría (83%), que en Bahía Blanca (67%) y Tandil (49%). Respecto a las enfermedades, se registraron 18 casos importados de dengue y 3 de chikungunya. Además, se registró el primer caso autóctono de dengue en la región, siendoel más austral hasta el momento. Conclusión: Es imprescindible sensibilizar y capacitara los integrantes de los sistemas de salud de las nuevas regiones expuestas al Ae. aegypti para la detección temprana de casos, y a la población en general para potenciar las acciones de prevención.
Objectives: To monitor the oviposition activity of the mosquito Aedes aegypti and of dengue and chikungunya cases in four localities of temperate Argentina, during the 2023 epidemic. Methods: During the summer and autumn of 2023, the oviposition activity of the mosquito vector was monitored weekly using ovitraps, and the arrival of cases with dengue or chikungunya in Tandil, Olavarría, Bahía Blanca and Laprida were registered. Results: Monthly variations of the percentage of positive traps were similar in the first three locations; in Laprida the mosquito was not detected. On the con-trary, a significant difference was observed in the percentage of total traps that ever tested positive in each locality, being higher in Olavarría (83.3%) than in Bahía Blanca (68.6%) and Tandil (48.7%). Regarding diseases, 18 imported cases of dengue and 3 of chikungunya were registered. In addition, the first autochthonous case of dengue in the region was recorded, being the southernmost until known. Conclusion: It is essential to raise awareness and train the members of the health systems of the new regions exposed to Ae. aegypti for early detection of cases, and to the general population to enhance prevention actions.
Objectives: To monitor the oviposition activity of the mosquito Aedes aegypti and of dengue and chikungunya cases in four localities of temperate Argentina, during the 2023 epidemic. Methods: During the summer and autumn of 2023, the oviposition activity of the mosquito vector was monitored weekly using ovitraps, and the arrival of cases with dengue or chikungunya in Tandil, Olavarría, Bahía Blanca and Laprida were registered. Results: Monthly variations of the percentage of positive traps were similar in the first three locations; in Laprida the mosquito was not detected. On the con-trary, a significant difference was observed in the percentage of total traps that ever tested positive in each locality, being higher in Olavarría (83.3%) than in Bahía Blanca (68.6%) and Tandil (48.7%). Regarding diseases, 18 imported cases of dengue and 3 of chikungunya were registered. In addition, the first autochthonous case of dengue in the region was recorded, being the southernmost until known. Conclusion: It is essential to raise awareness and train the members of the health systems of the new regions exposed to Ae. aegypti for early detection of cases, and to the general population to enhance prevention actions.
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