UK Revives Travel 'Red List' And Other Measures Due To Omicron Variant

LONDON, ENGLAND - NOVEMBER 28: A covid testing centre sign at Heathrow Terminal 5 on November 28, 2021 in London, England. Following the discovery of a new Covid-19 variant, whose mutations suggest greater transmissibility than previous virus strains, the United Kingdom imposed new restrictions on arriving travelers. From 04:00 today, people arriving from South Africa, Botswana, Lesostho, Eswatini, Zimbabwe and Namibi, Malawi, Mozambique, Zambia, and Angola will face mandatory hotel quarantine. From Tuesday, all international travelers must isolate until they return a negative PCR test, which must be taken by Day 2. (Photo by Hollie Adams/Getty Images)