New Covid-19 variant strain: '70% more contagious' claim questioned: 'Show us the evidence': Scientists call for clarity on claim that new Covid-19 variant strain is 70% more contagious
Boris Johnson was urged to publish clear evidence of coronavirus data last night Said new variant may be up to 70 per cent more transmissible than other strains
Professor Carl Heneghan expressed his scepticism over the 70 per cent figure
New coronavirus variant: What do we know?
The government's advisers on new infections now say they have "high" confidence that it is more able to transmit than other variants.
All the work is at an early stage, contains huge uncertainties and a long list of unanswered questions.
As I've written before, viruses mutate all the time and it's vital to keep a laser focus on whether the virus' behaviour is changing.
Is the mutant virus really out of control? Professor DAVID LIVERMORE argues the escalating mood of crisis is unwarranted: So far, more than 20,000 variants have been recognised, with most of the differences minor and inconsequential.
Mutant coronavirus in the United Kingdom sets off alarms, but its importance remains unclear
