by Robin MILLARD Agence France-Presse GENEVA, Switzerland (AFP) – The risk posed by the Omicron variant is still “very high”, the World Health Organization said Wednesday, after Covid-19 case numbers shot up by 11 percent globally last week. Omicron is behind rapid virus spikes in several countries, including those where it has already overtaken the previously-dominant Delta variant, the WHO said in its Covid-19 weekly epidemiological update. “The overall risk related to the new variant […]