Boris Johnson will host a press conference at Downing Street at 5pm today, No 10 has confirmed. Mr Johnson's third update of the week comes as the UK government comes under increasing pressure about people entering the UK from abroad.
He will be joined by the Chief Scientific Advisor - Partick Vallance - and Chief Medical Officer, Chris Whitty. It comes as it was confirmed that one of two Brazilian coronavirus variants was detected in the UK ahead of ministers banning the arrival of travellers from South America to limit the spread of a concerning new strain.
Professor Wendy Barclay, who is advising the Government’s Covid-19 response, said the variant may have been “introduced some time ago” but it was unclear whether it was the
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