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Israel tightens travel restrictions over new COVID variant
Indonesia bans arrivals from 8 African countries due to Omicron variant
By William Mallard, Nilufar Rizki & Frances Kerry
Omicron variant symptoms ‘unusual but mild,’ South African doctor says
By Peter Aitken
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The Omicron variant upends the global pandemic response. (Published 2021)
By Isabella Grullón Paz
New Covid variant: Will new measures against Omicron work?
By James Gallagher