Covid news live: Hong Kong to ban non-resident arrivals from Australia, Canada and parts of Europe; WHO warns Omicron poses ‘very high’ risk

A syringe is loaded with the Moderna Covid-19 vaccine at a hospital in Madrid, Spain. The WHO has warned that the Omicron Covid variant poses a very high global risk. Photograph: Manu Fernández/AP

source https://www.theguardian.com/world/live/2021/nov/30/covid-news-live-who-warns-omicron-poses-very-high-risk-new-variant-detected-in-at-least-a-dozen-countries