World Trade Organization
75% of vaccines administered so far have been shared between just 10 countries.
But EU’s Michel Barnier says talks are in the “final stretch” after “good progress” this week.
Hopes of a deal remain alive as UK and EU agree to "go the extra mile".
The prime minister said "a big change" would be needed from the EU for a trade deal to be agreed.
Michael Gove is in Brussels trying to plot a way through the row over Northern Ireland, which risks blowing up wider Brexit talks.
It comes three weeks before the UK is due to crash out of the EU without a trade deal, which would heighten the economic impact of Brexit.
Campaigners say claims by Liz Truss' Department for International Trade about UK-Japan trade deal benefits should be taken with "pinch of salt".
PM tells industry leaders anxious about stalled negotiations "rien ne vas plus", which means "no more bets" in the casino game.
It's now or never for a UK-EU trade deal, Boris Johnson has warned Brussels.
The prime minister said there must be a "fundamental change of approach" from the EU if a trade deal is to be agreed.