Will the Omicron Covid variant cancel Christmas?
Today in Focus - A podcast by The Guardian
A new Covid variant first identified in South Africa is spreading around the world, with leaders rushing to respond. Our science correspondent Nicola Davis outlines what we know so far about the Omicron variant. Help support our independent journalism at <a href="https://www.theguardian.com/infocus">theguardian.com/infocus</a>