By Lucy Campbell (now); Martin Belam and Samantha Lock (earlier)
Omicron variant is likely to ‘outcompete Delta’, Harvard researcher says; patchy monitoring thought to be behind underreporting of cases in the UK
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All international arrivals to the UK are now required to take a pre-departure Covid-19 test to tackle the new Omicron variant.
The tightened requirements have just come into force from 4am (GMT) on Tuesday 7 December.
Source: Covid news live: Omicron likely to become dominant variant, UK and US experts say
Category: Coronavirus, World news, France, Vaccines and immunisation, Health, Infectious diseases, UK news
