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Only 1 in 4 African health workers fully vaccinated against COVID-19
By Collins Boakye-agyemang
'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
South African scientists detect new virus variant amid spike
By Mogomotsi Magome & Andrew Meldrum
South Africa Raises Alarm Over New Coronavirus Variant
By Gabriele Steinhauser
Explained: What we know so far about the Omicron variant of Covid-19
By Kaunain Sheriff
South Africa and five more countries on UK red list as Covid variant 'worst we've seen'
By Ryan Merrifield
South Africa Identifies New Variant of Coronavirus
By Lynsey Chutel, Andrés R. Martínez & Mike Ives
Countries ban travellers from southern Africa over Covid variant
By Sarah Neville, Donato Paolo Mancini & Andy Bounds
Omicron: How worried should we be?
By James Gallagher
EXCLUSIVE South Africa delays COVID vaccine deliveries as inoculations slow
By Promit Mukherjee
South Africa says travel bans over new variant unjustified
By Alexander Winning & Tim Cocks