Even as the Omicron wave appears to be receding in a number of Australian states and nations around the world, the emergence of a new sub variant in Australia has put health authorities on alert. The BA.2 is a sub-lineage of the Omicron variant -- and scientists are racing to assess the level of risk it presents.
[82% случаев в Дании, 9% в Великобритании по состоянию на 28 января]
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