Taiwan reported its first local coronavirus transmission Tuesday, ending 253 days of being virus-free in a major blow for an island that has been lauded for its pandemic response.
Canada's most populous province, Ontario, will impose a new lockdown beginning Saturday for its 14 million inhabitants, its premier announced Monday as Covid-19 cases climb.
The EU finally gave the green light for the Pfizer-BioNTech coronavirus vaccine on Monday, paving the way for the first inoculations to start across 27 countries just days after Christmas.
Britain is facing disruptions as countries ban flights and other travel from the UK over concerns about the spread of a new variant of the coronavirus.