Chief Medical Officer Chris Whitty hailed the new Novavax vaccine earlier today. Credit: PA Wire/PA Images, Hannah McKay

At a Glance...

New Janssen one-dose vaccine shows 66% efficacy.

New Novavax vaccine shows 89.3% efficacy in its UK trial.

EU publishes AstraZeneca vaccine contract.

The R value across the UK is between 0.7 to 1.1.

Northern Ireland records its highest weekly death toll of the pandemic.

A fire at a Covid-19 hospital in Bucharest has killed at least five people.

Australian Open players begin to exit quarantine.