Covid-19 Christmas: How is Europe planning to tackle the holidays?

Italy is banning travel, the UK has household bubbles, Germans are isolating and Austria is mass testing. Which approach to coronavirus at Christmas is likely to work best?

Source:
https://www.newscientist.com/article/mg24833125-000-covid-19-christmas-how-is-europe-planning-to-tackle-the-holidays/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home