Omicron: 'First signs of cautious optimism' - Dr Susan Hopkins

Dr Susan Hopkins, epidemiologist for the UK Health Security Agency, has called early findings about Omicron's severity a cause for "cautious optimism".

The agency's research has suggested that people catching the new Covid variant Omicron are 50% to 70% less likely to need hospital care compared with previous variants.

More on this story: Omicron up to 70% less likely to need hospital care