Health

“The unknowns on the course of winter are huge”

“The unknowns on the course of winter are huge”

The dialog

A sure “pandemic fatigue” has received over a part of the inhabitants, however SARS-CoV-2 continues to evolve. Whereas France is experiencing its eighth wave (the fourth of 2022), dominated by the Omicron BA.5 sub-variant, it’s seeing one other sub-variant, named BQ.1.1, quickly progress.

Samuel Alizon, analysis director (CNRS, CIRB) and Mircea Sofonea, lecturer (College of Montpellier, MIVEGEC), return to the well being scenario that’s looming this winter and spotlight the challenges of surveillance and analysis in our nation. For what penalties?

The Dialog: With the tip of summer time, the information has given technique to Covid and its variants. It’s now BQ.1.1 and different XBBs which are talked about. What can we already say about these “sub-variants”? And the way are they tracked?

Samuel Alizon: Since September, there was a powerful diversification of SARS-CoV-2, with the emergence of quite a few sub-variants of the Omicron variant.

BA.4.6, BA.2.75, BA.5.2 and even B.1.1.529.5.3.1.1.1.1.1.1, renamed BQ.1.1 in accordance with the nomenclature Blackwhich proposes an identification system to trace SARS-CoV-2 genetic lineages of epidemiological curiosity…

All these lineages, which predominate in varied areas of the world (BQ.1.1, for instance, is presently on the rise in France) formally belong to the Omicron variant. These are subsequently sub-variants, however in actuality, one may simply qualify as variants.

TC: What can we learn about these new subvariants? Do they symbolize an epidemiological menace?

TO : At this level, loads of information about these…

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