Commuters with and without face coverings ride a tube train at Stratford underground station in east London on December 1, 2021. Britain will require all arriving passengers to isolate until they can show a negative PCR test against Covid-19 and is restoring a mandate to wear face masks in shops and public transport as part of its response to the new Omicron strain of Covid-19. (Photo by Daniel Leal/AFP Photo)
|