An Air China plane takes off from Sydney Airport, as countries react to the new coronavirus Omicron variant amid the coronavirus disease (COVID-19) pandemic, in Sydney, Australia, December 1, 2021. REUTERS/Loren Elliott
An Air China plane takes off from Sydney Airport, as countries react to the new coronavirus Omicron variant amid the coronavirus disease (COVID-19) pandemic, in Sydney, Australia, December 1, 2021. REUTERS/Loren Elliott