COVID-19: All close contacts of positive Omicron cases must self-isolate regardless of vaccination status

UK takes new measures to slow Omicron coronavirus variant

Britain announced new measures to try to slow the spread of the newly identified Omicron coronavirus variant and a top health official said there was a "reasonable chance" that vaccines could be less effective against it.

Omicron Covid-19 variant reaches UK

Britain has altered rules on mask-wearing and testing of international arrivals after finding two cases of the new Covid-19 variant.

U.K. tightens COVID-19 rules as world on alert over new omicron variant

British Prime Minister Boris Johnson said it was necessary to take 'targeted and precautionary measures' after two people in the U.K. tested positive for a recently discovered coronavirus variant.

Covid: Travel and mask rules tightened over Omicron variant

New measures to slow Omicron's spread in England before Christmas are unveiled by Boris Johnson.

Irish government takes measures against Omicron variant

Measures have been put in place to mitigate against the arrival of the Omicron Covid-19 variant in Ireland, including mandatory home quarantine regardless of vaccine status.

Britain tightens COVID rules as world on alert over omicron

LONDON (AP) — The U.K. tightened up rules Saturday on mask-wearing and on testing of...