All coverage
The omicron variant spreads across Europe as new travel bans take effect
By Deepa Shivaram & Nicole Hernandez Hammer
South Africa says it is being punished for early COVID variant detection
By Frances Kerry & Promit Mukherjee
Omicron is the new COVID kid on the block: five steps to avoid, ten to take immediately
By Shabir Madhi
The new Omicron variant is a pandemic gut check
By Jacqueline Howard
Omicron, the New Covid-19 Variant: What to Know
By Denise Roland & Joanna Sugden