Israel bans arrivals from most of Africa over new coronavirus variant
By Jeffrey Heller, john stonestreet & Ari Rabinovitch
The hunt for coronavirus variants: how the new one was found and what we know so far
By Tulio de Oliveira, Jinal Bhiman & Cathrine Scheepers
COVID: What we know about the omicron variant
By Alexander Freund
Omicron classified 'variant of concern' by WHO: COVID updates
By Michael James, Joel Shannon & Christine Fernando
WHO names new COVID variant omicron, cautions against travel measures
By Alexander Winning & Stephanie Nebehay
Belgium confirms case of new, heavily mutated Covid variant
By Robert Towey & Spencer Kimball