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New Covid variant: Will new measures against Omicron work?
By James Gallagher
Israel to ban entry of foreigners from all countries over Omicron
By maayan lubell
Government imposes new restrictions to fight Omicron as first cases found in UK
By Denis Campbell, Toby Helm & Michael Savage
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Indonesia bans arrivals from 8 African countries due to Omicron variant
By Fathin Ungku, Nilufar Rizki & Frances Kerry
The Omicron variant upends the global pandemic response. (Published 2021)
By Isabella Grullón Paz
Omicron variant detected in more countries as scientists race to find answers
By Toby Sterling & Elizabeth Piper