We haven’t seen a change in severity in individuals or in populations, but that’s why we have these systems in place. It has one additional mutation in the spike protein, which, in lab studies, shows increased infectivity as well as potential increased pathogenicity.”
The subvariant, one of 600 spawned from Omicron so far but seemingly no more lethal than others, has been detected in 22 countries so far, including the UK and US.
In India, the country’s health ministry reported 40,215 active Covid cases on 12 April, up by 3,122 in just one day, prompting compulsory face masks to be introduced in some states, hospitals to carry out mock drills and vaccine production to be ramped up.
Around 50 cases have been detected in the UK so far, but Professor Paul Hunter of the University of East Anglia said it was too soon to say that Britain could face a fresh surge in infections driven by Arcturus.