World races to contain omicron variant — the new covid threat
AP
People wait to get vaccinated at a shopping mall, in Johannesburg, South Africa, Friday Nov. 26. Advisers to the World Health Organization are holding a special session Friday to flesh out information about a worrying new variant of the coronavirus that has emerged in South Africa, though its impact on covid-19 vaccines may not be known for weeks.
AP
A passenger walks through International Arrivals, at London’s Heathrow Airport, Friday, Nov. 26. The U.K. announced that it was banning flights from South Africa and five other southern African countries effective at noon on Friday, and that anyone who had recently arrived from those countries would be asked to take a coronavirus test.
