The Omicron variant of the coronavirus is spreading significantly faster than the Delta variant, WHO director-general Tedros Adhanom Ghebreyesus said on Monday, 20 December.
"There is now consistent evidence that Omicron is spreading significantly faster than the Delta variant," Ghebreyesus told journalists during a news briefing. "And it is more likely people vaccinated or recovered from COVID-19 could be infected or re-infected," he added.
(This is a developing story)
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