Could new variants emerge from China's Covid outbreak?

The increase in daily Covid infections in China could lead to "considerable mortality" but is not expected to "drastically increase the risk of emergence of new variants, at least not in the very short term," said Professor Francois Balloux (UCL Biosciences).

Read: Mail Online, More: BBC Radio 4 'World at One' (from 18 mins, 45 secs)