Dengue en Chile: cuántos casos hay, cómo se transmite y qué se sabe de la vacuna

dengue en chile: cuántos casos hay, cómo se transmite y qué se sabe de la vacuna

ADN RADIO

Esta semana la enfermedad del dengue despertó algunas alarmas en Chile luego de que se decretara Alerta Amarilla en la provincia de Los Andes.

Según lo que indicó el Servicio Nacional de Prevención y Respuesta ante desastres (Senapred) se habrían identificado “múltiples focos del vector” que produce la afección a la salud.

Y no se trata de algo precisamente nuevo. En cifras se han contabilizado 179 casos en 2024, según la información más reciente que entregó el Ministerio de Salud (Minsal), siendo la mayoría importados desde otros puntos del planeta.

¿Cómo se transmite el dengue?

A diferencias de otras afecciones parecidas el dengue no puede ser transmitido de persona a persona. La única forma de contagio es recibir una picadura del mosquito infectado Aedes aegypti o del Aedes albopictus, los que se han hecho presentes en puntos como Brasil o Argentina.

“Se deben tomar medidas de prevención tanto personales como de las viviendas”, plantea a ADN.cl Alicia Marcoleta, doctora en ciencias biológicas y directora de la carrera de Tecnología Médica de Universidad San Sebastián.

“Si la personas viaja a zonas que son endémicas, debiese ocupar ropas de color claro que cubran sus extremidades y además utilizar repelente que contengan un compuesto activo que actúan contra la picada“, profundiza.

Un dato extra es que el insecto es el mismo que es capaz de contagiar el virus Zika, el Chikungunya o la fiebre amarilla.

La vacuna del dengue en Chile

Si bien no hay una masividad en Chile Continental, la isla de Rapa Nui sí ha presentado varios casos autóctonos.

Según La Tercera, el Comité Asesor en Vacunas e Inmunizaciones (Cavei) del Minsal debate esta semana una posible campaña de inmunización para ese territorio en particular.

Lo que explica el Centros para el Control y Prevención de Enfermedades de Estados Unidos es que la inoculación sirve para prevenir el dengue y no para prevenir la infección.

Actualmente existen dos vacunas, una de ellas requiere dos inyecciones y la otra se administraría a personas que ya han tenido la afección. Eso sí, Brasil trabaja en una nueva dosis única que aún se mantiene pendiente de aprobación.

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