The WHO will publish in February the de-escalation plan towards the “control phase” of the pandemic


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The WHO will publish a Covid response plan next month to stop treating it like a pandemic, As announced on Monday by the executive director of the WHO Emergencies Program, Mike Ryan. The goal is for this step to be “sustained”, in a similar way to what has been done previously with other diseases, such as the flu, he said during a briefing this Monday within the framework of the 150th meeting of the Executive Council of the WHO.

On the other hand, Ryan has recalled that current vaccines were developed “to protect against serious illness, hospitalization and death.” “In that sense, these vaccines have excellent performance. The rules of the game have changed, but we would all like a vaccine that would provide sterilizing immunity for a prolonged period, that would be effective against multiple variants, etc.

That is really the unicorn that we are all looking for, the challenge of second and third generation vaccines,” he said.

In the future, Ryan does consider that they could administer different vaccines depending on age or risk against Covid-19. “I would say that when we talk about booster doses now, I think six months or a year from now we may be talking about different primary courses for different risk groups, and the number of doses needed to elicit a long-term protective response.” , has riveted.

The director of the Department of Immunization, Vaccines and Biologicals of the World Health Organization (WHO), Kate O’Brien, He does not trust that at some point a vaccine against Covid-19 will be developed that produces sterilizing immunity, that is, that prevents all Covid infections.

“I don’t think we should have the expectation that there will be some vaccine that will provide sterilizing immunity. It’s a very difficult task for a vaccine,” O’Brien said.

In any case, the expert has pointed out that the next generations of vaccines against Covid-19 could greatly improve the current ones. “I do think we can have an expectation that vaccines will perform better against infection and thus against transmission, but we will really have to see what vaccines can do.”

Likewise, he considers that they could help not only in the fight against Covid-19, but against other coronaviruses in general. “The potential benefits of a second-generation vaccine could be not only with respect to this particular pandemic, but a broader set of competencies for those vaccines,” he detailed.

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