In a joint statement, both sides say they are working on a “win-win situation” for vaccine supply on both sides of the English Channel.
Defence secretary says move would be "counterproductive".
Australia's finance minister said it was "unsurprising that some countries would tear up the rule book".
Coronavirus vaccine proves the great leveller in the EU-UK race to normality.
A bust-up between the European Union and the pharma giant has led to supply worries.
With just days left until current trading arrangements end on December 31, a trade deal could be in sight.
Prime minister's pessimistic tone in contrast to European Commission president hailing “substantial progress”.
Snap of PM and David Frost alongside immaculately dressed Michel Barnier and Ursula von de Leyen has been brutally mocked.
Boris Johnson is headed to Brussels but a bumpy road may still lie ahead as the UK prepares to break from the EU.
But talks can't go on past December 31, PM's spokesperson says