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Israel to ban entry of foreigners from all countries over Omicron
By maayan lubell
Covid: Travel and mask rules tightened over Omicron variant
By Alex Kleiderman
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Indonesia bans arrivals from 8 African countries due to Omicron variant
By William Mallard, Nilufar Rizki & Frances Kerry
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