World races to contain new COVID threat, the omicron variant

  • People line up to get on the Air France flight to Paris Friday at OR Tambo International Airport in Johannesburg, South Africa. A slew of nations moved to stop air travel from southern Africa on Friday in reaction to news of a new, potentially more transmissible COVID-19 variant that has been detected in South Africa. (AP Photo/Jerome Delay)

BRUSSELS — Nearly two years into the COVID-19 pandemic, the world raced Friday to contain a new coronavirus variant potentially more dangerous than the one that has fueled relentless waves of infection on nearly every continent.