The wave of Omicron appears to be milder according to preliminary studies published in the UK and South Africa.
Early evidence suggests fewer people are...
South African scientists - hailed for their discovery of Omicron - are investigating the "highly plausible hypothesis" that the emergence of new Covid-19 variants...
Health officials say the new coronavirus variant Omicron has now become dominant in South Africa and is driving a sharp increase in new infections.
Some...
More countries are tightening their travel restrictions after a new coronavirus variant was identified in South Africa earlier this week.
The UK, Japan and Singapore...
We're back in familiar territory - growing concern about a new variant of coronavirus.
The latest is the most heavily mutated version discovered so far...