World Covid-19 updates, December 28: Some European countries are putting in place quarantine rules retroactively to contain the spread of the coronavirus variant first discovered in the UK. To prevent the situation from getting worse EU begins to roll out Covid-19 vaccination with the target to inoculate as many as 450 million people.

Covid-19 update: After strict coronavirus lockdown, France set to lift, re-opening shops, hair salons. New Zealand reopening restaurants, gyms, movie theaters. Spain ease coronavirus lockdowns. Australia has announced plans to jump-start tourism. Restrictions are easing in the United States.