Should lockdown 4.0 be enforced across the UK?
Concerns are growing as new Covid variant is posing a large threat
The new Covid-19 variant detected in southern Africa may be more transmissible than the Delta strain and vaccines “may be less effective against it”, health secretary Sajid Javid has said. UK scientists sounded the alarm on Thursday night over the B.1.1.529 variant, which has the potential to evade immunity built up by vaccination or prior infection.