THE QUESTION
.
The Omicron variant
"has a good chance of escaping the defenses of the immune system"
, said Friday, December 3 the co-founder of the company BioNTech, at the origin of the vaccine developed with Pfizer against the Covid, specifying that it could be adapted
"quickly"
if necessary.
Ugur Sahin had been more optimistic a few days earlier.
His analysis now joins that of the CEO of the Moderna laboratory, Stéphane Bancel, who predicted a
“significant loss”
of effectiveness of RNA vaccines against Omicron.
Read alsoCovid-19: is the health pass really "ineffective" against the epidemic?
A preliminary study carried out in South Africa made public on December 2 on already infected patients seems to confirm this intuition: it suggests that a person who has already had Covid is three times more likely to be re-infected with Omicron than with the variant. Delta.
What will happen to the vaccinated?
CHECKS
.
Scientists observe on this variant a particularly high number of mutations placed on strategic sites, some of which are
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