Covid: when will the next generation of vaccines that protect us in front of new variants of the coronavirus arrive?

  • André Biernath
  • BBC News Brasil

The investigator holds a sample of a vaccine.

image source, Getty Images

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In practice, the process of updating the dose is more complicated than what I thought in principle.

Después de un año y medio desde que se se administrarón las primera dosis, las vacunas contra la covid-19 deben actualizarse para combatir las subvariantes de ómicron, como la BA.1. BA. 4 yr BA. 5.

It is expected that between September and October 2022, it will be available, according to the plans made by the drug and pharmaceutical regulatory agencies, such as Moderna and Pfizer, both vaccine producers approved and used on a large scale in large parts of the world.

“Es sumamente recommendable y necesario que tengamos nuevas vacunas”, considera el pediatra e infectólogo Renato Kfouri, director of the Brazilian Society of Immunizaciones.

En la práctica, el proceso de actualizar las dosis es más complicado de lo que se pensó en un principio.

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