Home Health Covid: “Recombination is not necessarily a winner for the virus”

Covid: “Recombination is not necessarily a winner for the virus”

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BA.4, BA.5, XD, XF… While the epidemiological situation is relatively stable, Sars-CoV-2 continues to evolve and new variants emerge regularly. Without, to date, unduly worrying the scientists who nevertheless keep an eye on them. State of play with Sylvie van Der Werf, virologist in charge of the national reference center for respiratory infection viruses at the Institut Pasteur.

Point : What is the situation on the Sars-CoV-2 variant front?

Sylvie van Der Werf: BA.2, a sub-variant of Omicron that appeared this winter, is still ultra-dominant all over the world. In France, in mid-April, it represented more than 99% of the sequences identified during flash sequencing. It does not generate any particular concern. BA.2, like BA.1…


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