The heavily mutated Omicron coronavirus variant is likely to spread internationally and poses a very high risk of infection surges that could have "severe consequences" in some places, the World Health Organization (WHO) said on Monday. No Omicron-linked deaths had yet been reported, though further research was needed to assess its potential to resist vaccines and immunity induced by previous infections, it added. "Omicron has an unprecedented number of spike mutations, some of which are concerning for their potential impact on the trajectory of the pandemic," the WHO said. Tedros Adhanom Ghebreyesus, WHO director-general, said Omicron's emergence showed how "perilous and precarious" the situation was. Watch the full video for more details.
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