The strains circulating today are hybrids resulting from the genetic exchange of different variants of the virus, TASS reports.

“Therefore, calling them “omicron” is not entirely correct, this is a genetically complete exchange, in fact, “children” of two strains,” Gunzburg said.

He also added that today we are surrounded by "already dozens of different strains" that cause a similar disease of coronavirus infection.

Earlier it was reported that China is canceling the quarantine for those entering from abroad.