Professor Chris Whitty today called for ‘serious caution’ over a raft of promising data which suggests Omicron may cause milder disease.
Fewer Covid-infected patients are being admitted to hospital wards in South Africa now compared to previous waves, sparking hopes that the strain is less lethal than the rivals it has outcompeted.
But England’s chief medical officer told a Downing Street press briefing that the figures were to be expected, simply because the country had higher levels of immunity going