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December 13 – RIA Novosti reported on the 13th that Russian Vice Prime Minister Golikova said that there were 16 confirmed cases of Russian coronavirus mutant strain Omikron.
The World Health Organization said on the 12th local time that the Omikron variant has spread to 63 countries and regions. According to preliminary data, the Omikron variant may weaken the effectiveness of the vaccine, but it is less likely to cause severe illness. The data also shows that where community infections occur, “Omikron variant may exceed Delta strains”.
