Salud

OMS: Evolución del virus obliga a adaptar y crear refuerzos de vacuna contra covid-19

Últimos resultados sobre cómo estas impactan en variantes llevan a considerar cambios cada cierto tiempo; caso sudafricano enciende alerta

A health worker prepares an injection of the Oxford vaccine against the coronavirus at a vaccination centre set up at the Dubai International Financial Center in the Gulf emirate of Dubai, on February 3, 2021. - The United Arab Emirates, which includes Dubai and six other emirates, has suffered a spike in cases after the holiday period.
It was among the first to launch a vast vaccination campaign in December 2020 for its population of nearly 10 million and has administered at least three million doses to more than a quarter of its population, second only to Israel in the global race, according to the German data agency Statista. (Photo by Karim SAHIB / AFP)
A health worker prepares an injection of the Oxford vaccine against the coronavirus at a vaccination centre set up at the Dubai International Financial Center in the Gulf emirate of Dubai, on February 3, 2021. - The United Arab Emirates, which includes Dubai and six other emirates, has suffered a spike in cases after the holiday period. It was among the first to launch a vast vaccination campaign in December 2020 for its population of nearly 10 million and has administered at least three million doses to more than a quarter of its population, second only to Israel in the global race, according to the German data agency Statista. (Photo by Karim SAHIB / AFP) KARIM SAHIB
La posibilidad de una reducción en la eficacia de las vacunas conforme las nuevas variantes del virus surge hace que los científicos deban ir un paso adelante para crear refuerzos. Fotografía: Karim Sahib / AFP (KARIM SAHIB/AFP)

Con los cambios en el virus causante de la covid-19 que azota el mundo, también las vacunas van a tener que cambiar.

Esta fue la advertencia que hizo la mañana de este lunes Tedros Adhanom Ghebreyesus, director de la Organización Mundial de la Salud (OMS).

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