Britain's vaccine committee will decide which priority groups get the job first.

The likeliest candidates are care, home residents, health and care stuff, the elderly and people who were clinically very vulnerable.

British Health Minister Matt Hancock said he expects to have millions of doses of the vaccine available by the end of the year.

But he admitted distributing the vaccine could be a challenge when it must be kept in minus 70 see the same temperature as an Antarctic winter.

Pfizer and Biotech and their US rival, Madonna, have reported successful early trial results.

Their initial findings recorded their vaccines as being above 90% effectiveness.

Pfizer said Britain's emergency use authorization is a historic moment.

In the fight against the virus vaccines has seen is the best chance to get the world back to normality.

Pfizer now believes Mawr approvals from other regulators are on the way.

It's applied for clearance from the U.

S and EU, with decisions expected in December the You said Tuesday it will decide whether to approve fighters vaccine by December 29th.

It's drug regulator The European Medicines Agency said Wednesday that its longer approval process was safer on based on MAWR evidence and checks than the emergency procedure chosen by the UK.