WHO warns of Omicron driving a 'tsunami of cases'

"I am highly concerned that Omicron, being highly transmissible and spreading at the same time as Delta, is leading to a tsunami of cases."

Tedros repeated his call for countries to share vaccines more equitably and warned that the emphasis on boosters in richer countries could leave poorer nations short of jabs.

He said the WHO was campaigning for every country to hit a target of 70% vaccine coverage by the middle of 2022, which would help end the acute phase of the pandemic.

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