The UK government says it is on track to vaccinate the 15 million most vulnerable people by mid-February, and that a “major study” is under way to assess the potential impact of the new UK variant on vaccine efficacy.

Operation Warp Speed confirmed the necessity of having a facility on hand to develop and manufacture a vaccine for the next crisis, the outgoing advisor says.

After years of setbacks, Novavax is on the cusp of success with its COVID-19 vaccine - but a rapid scale up of manufacturing and commercial operations will be a huge challenge.

The European Medicines Agency says hacked COVID-19 vaccine data has been leaked online, and Australia’s chief medical officer defends the Oxford/AstraZeneca vaccine against scientists’ claim that it is not effective enough.