Coronavirus live news: Japan confirms new Covid strain; rich countries stockpiling 1bn extra vaccine shots

Health workers prepare to start a coronavirus vaccination day at the Central Police Hospital, in Bogota, Colombia, 18 February 2021. Photograph: Carlos Ortega/EPA

source https://www.theguardian.com/world/live/2021/feb/19/coronavirus-live-news-global-weekly-cases-lowest-since-october-biden-to-pledge-4bn-to-covax-scheme