THE question of how to safely celebrate the holiday season this year is currently occupying a lot of people’s minds. In the UK, up to three households will be able to meet indoors at private homes for five days over Christmas in most of the country, and for seven days in Northern Ireland.

The news sparked widespread cheer, but some scientists have warned against the “Christmas truce”, predicting it will lead to a surge in coronavirus infections. So what can people do to reduce their risks?

The UK isn’t the only country where people are pondering this question. France and Germany have just …