Covid news live: Omicron likely to become dominant variant, Harvard researcher says; France to close nightclubs

People socialise outside a bar in Paris as France prepares to close nightclubs in a bid to curb a surge in Covid-19 cases. Photograph: Siegfried Modola/Getty Images

source https://www.theguardian.com/world/live/2021/dec/07/covid-news-live-omicron-likely-to-become-dominant-variant-harvard-researcher-says-france-to-close-nightclubs