La aparición de nuevas cepas del coronavirus puede llevar a la necesidad de modificar las vacunas anticovid todos los años, al igual que las vacunas contra la gripe, que cambian su composición en función de la cepa dominante cada temporada, declaró este martes la científica jefe de la Organización Mundial de la Salud, Soumya Swaminathan.
Actualmente, los investigadores están tratando de dilucidar si es posible modificar las vacunas para anular la amenaza de futuras variantes del SARS-CoV-2, explicó, reseñó RT.
“Afortunadamente, las vacunas aprobadas hasta la fecha siguen siendo efectivas contra las cepas conocidas. Sin embargo, no sabemos si en algún momento aparecerá una variante resistente a las vacunas de las que disponemos hoy en día”, reconoció Swaminathan.
Por Agencia
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