Johnson, tampone molecolare e isolamento per chi entra in GB
Per controllare la nuova variante Omicron del Covid-19, di cui due casi sono stati identificati nel Regno Unito, la Gran Bretagna introdurrà un test molecolare obbligatorio per chi arriva sul suo territorio e una quarantena fino al risultato. Lo ha detto il primo ministro Boris Johnson.
Covid live: PM announces new measures after two cases of Omicron variant detected in UK
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The key points of what's been announced
The PM has announced a number of new measures to be introduced in England, following the announcement of the new variant of concern.
All travellers to the UK will have to take a PCR test by the end of day 2 of their arrival; travellers must self-isolate until they receive a negative test result
All contacts of suspected Omicron cases must self-isolate for 10 days, regardless of their vaccination status. They will be contacted by NHS Test and Trace
Face coverings will become compulsory on public transport and in shops - not including hospitality
The JCVI (Joint Committee on Vaccination and Immunisation) will consider giving boosters to a wider age group, as well as reducing the gap between the second dose and booster.
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Face masks likely to be mandatory again in shops and on transport
Nick Martin of Sky asks whether face coverings will be mandatory in all indoor spaces
The PM says the government is looking at making masks mandatory in shops and on transport, but says the details will be set out by Health Secretary Sajid Javid early next week.
The reporter asks whether the potential spread of the new variant has been modelled by scientists and if we can rule out further lockdowns.
Prof Vallance says South African scientists have been "absolutely brilliant" at sharing information - but it will take time to gather all the facts.
"If it's very transmissible and does cause big [vaccine] escape clearly that's a major issue."