Scientists in the United Kingdom have revealed that they have found a new strain of the coronavirus, which sent shockwaves across the world.

On Saturday, scientists said that they have identified a strain of coronavirus, named N501Y, is up to 70 per cent more infectious than the original version, but it is not thought to be more deadly. Prime Minister Boris Johnson also announced strict lockdown rules ahead of the Christmas holidays and urged citizens to follow them.

Will the new strain cause more deaths? Will the Covid-19 vaccines work against it? Here's all need to know.