Britons should start wearing face masks on public transport again, experts have urged, as a super-infectious Covid variant sweeps the country.
Arcturus now makes up one in 40 new cases, sparking fears that it could soon become a dominant strain and trigger a fresh wave of disease.
Ministers have already been urged to offer booster vaccines to millions more Brits because of its spread.
Virologists have warned that Covid still poses a threat, even though the virus is much milder and the UK no longer has the heavy restrictions of the pandemic in place.
Professor Stephen Griffin, chair of Independent SAGE, the panel of experts who were critical of Downing Street’s handling of the disease during the pandemic, said ‘we are clearly in a much better position’ now.
Read more: Return of the mask! Expert urges public to wear coverings on public transport amid fears Arcturus could spark fresh Covid wave