Watch: Are vaccines effective against Omicron?
As the World Health Organisation (WHO) designated B.1.1529 as a ‘variant of concern’, countries around the world scrambled to tackle this new threat.
The Omicron variant of SARS-CoV-2, first detected in Botswana, has prompted several countries to impose a travel ban on travellers from South Africa.
The Omicron variant of SARS-CoV-2, first detected in Botswana, has prompted several countries to impose a travel ban on travellers from South Africa.