How probable is it Omicron Covid variant will take hold in UK?

Analysis: UK’s early vaccine deployment and use of different vaccines from South Africa mean it’s too soon to sayCoronavirus – latest updatesSee all our coronavirus coverageOmicron is causing consternation around the world, with the variant found to be behind an exponential rise in Covid cases in South Africa. Yet with just 42 cases confirmed in the UK so far, and most European countries seeing numbers in the double rather than triple figures, could this be a tentative sign the