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Omicron variant: do we need a new vaccine? We didn't for beta or delta.
By Berkeley Lovelace & Berkeley Lovelace Jr.
Exclusive: U.S. CDC to collect data on southern Africa passengers over COVID variant
By David Shepardson
Omicron travel bans harming global cooperation, WHO warns
By Usaid Siddiqui & Farah Najjar
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Some Teenagers Under 18 Could Soon Get A Pfizer COVID-19 Booster Shot : Shots - Health News
By Will Stone
When did Omicron Covid variant arrive in UK and is it spreading?
By Nicola Davis, Libby Brooks & Ian Sample
President Biden said South Africa has turned down vaccine doses. But the issue is more complicated than that.
By Lesley Wroughton & Yasmeen Abutaleb
BioNTech CEO says vaccine likely to protect against severe COVID from Omicron
By Ludwig Burger & Patricia Weiss
Omicron: How do I know if I have it?
By Philippa Roxby