A subspecies of the omicron strain of coronavirus BA.2, which is otherwise called the “stealth omicron”, was identified in 44 regions of Russia. This was announced by the head of the scientific group for the development of new diagnostic methods based on sequencing technologies of the Central Research Institute of Epidemiology of Rospotrebnadzor Kamil Khafizov, his words are reported by Interfax.
He noted that the appearance of such a line is not unexpected from the point of view of the evolution of viruses. According to him, the world’s first sample of the BA.2 line was discovered on November 17, 2021 in South Africa, and at the moment it has been registered in more than 50 countries.
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Earlier, the head of Rospotrebnadzor, Anna Popova, announced the identification of a subspecies of omicron BA.2 in Russia. The vast majority of it was registered in Moscow, the Republic of Mari El, the Rostov region, and also in Bashkiria.
The UK Health Agency (UKHSA) on January 21 registered a new subspecies of omicron – BA.2. According to preliminary studies, this coronavirus mutation has an even faster spread rate than the original line.
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