Covid-19, EU – Baltic States, Good for Business, Legislation, Markets and Companies, Medicine

"It's Europe's moment. On 27, 28 and 29 December vaccination will start across the EU," she tweeted.

Her spokesman Eric Mamer told journalists the rollout was conditional on the European Medicines Agency authorizing the use of the Pfizer/BioNTech vaccine when it meets on Monday.

Britain and the United States are already inoculating people with that vaccine under emergency national authorizations.

On Wednesday, von der Leyen said that the EU's 27 member countries were planning to start Covid-19 vaccinations on the same day in a sign of unity.

The European Commission has sealed contracts with seven suppliers of potential vaccines to ensure all adult EU citizens will eventually be able to be inoculated.

Member states will decide who gets priority for the injections, but the elderly and healthcare workers treating Covid-19 patients will be at the front of the queues.

The vaccine developed by US giant Pfizer and German firm BioNTech has proven to be 95% effective in global trials where two doses are injected three weeks apart.

In Europe, that vaccine is produced in a Pfizer facility in Belgium and sent out in trucks and planes. It must be stored at -70 degrees Celsius (-94 degrees Fahrenheit) to keep it viable, but can be transported for short periods at 2-8 degrees Celsius.

The European Medicines Agency will hold a meeting on Monday, originally planned a week later, to discuss approval for the vaccine developed by Pfizer and BioNTech.