Crean una vacuna nasal universal contra el COVID-19

Científicos franceses presentaron la patente de esta innovadora vacuna.

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Esta vacuna nebulizada está basada en varias proteínas, lo que le confiere cualidades de vacuna universal, es decir, poco sensible a mutaciones.

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Las investigaciones han demostrado que no sólo protege frente a formas graves, sino que también previene la transmisión del virus, cuya multiplicación bloquea desde la mucosa nasal.

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El modelo en desarrollo “permitiría ser protectora independientemente de las mutaciones virales y de la cepa de coronavirus circulantes”.

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El resto de las vacunas que se utilizaron hasta ahora solo se basa en la proteína Spike, que las hace sensibles a mutaciones.

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Una de sus novedades es que se puede almacenar en un refrigerador simple: no requiere temperaturas bajo cero, que son más difíciles de transportar.

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Por ello, podría tener un rango de utilización más amplio y llegar a mayor cantidad de países que las que están actualmente en el mercado.

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Además, este spray nasal podría servir como una tercera dosis de vacuna, una dosis de refuerzo para fortalecer la inmunidad de ciertos pacientes.

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Los investigadores esperan comenzar la fase de producción a mediados de este año para dar paso a la fase clínica.

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