All coverage
New coronavirus variant detected in Belgium as Europe bans Southern Africa travel
By Carlo Martuscelli & Hanne Cokelaere
'The virus is always searching for its next move': why science is alert to new variants
By Donato Paolo Mancini, John Burn-Murdoch & Oliver Barnes
New Botswana variant with 32 'horrific' mutations is the most evolved Covid strain EVER
By Luke Andrews
South African scientists detect new virus variant amid spike
By Mogomotsi Magome & Andrew Meldrum
Coronavirus: New variant classed of concern by WHO
By Alice Cuddy
South Africa Raises Alarm Over New Coronavirus Variant
By Gabriele Steinhauser
Countries ban travellers from southern Africa over Covid variant
By Sarah Neville, Donato Paolo Mancini & Oliver Barnes
Omicron: How worried should we be?
By James Gallagher