AdvertisementWhat to know about omicron, the new COVID variantUpdated November 27, 2021Michaeleen DoucleffJoel RosefacebookEmailPeople line up to get on an Air France flight to Paris at OR Tambo's airport in Johannesburg, South Africa, on Friday as several countries announced travel bans in response to the omicron variant of the coronavirus. (AP)This article was originally published on November 26, 2021.