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Now the focus is on the XBB.1.5 subvariant of the SarsCoV2 virus, also known as ‘Gryphon’: This member of the now large Omicron family could be one of the main causes of the surge in the Covid-19 epidemic in China.
The hypothesis
Together with the easing of restrictions, the sub-variant that has been in circulation since last October would play an important role in pushing infections and hospitalizations ever higher.