David Cameron has called for EU leaders to double their funding in the fight against Ebola to £800 million.
It comes after one of the doctors who discovered the virus, Professor Peter Piot, said the rest of Europe was not doing enough to tackle the epidemic.
Downing Street said the current total contribution from the EU was just £400 million.
British army medics from Aldershot's 22 Field Hospital are preparing to travel to Sierra Leone to provide medical support in the fight against the Ebola epidemic in west Africa.
Around 120 troops, who have been engaging in exercises to simulate the conditions they will face in Sierra leone, travelled overnight to Royal Air Force Brize Norton, where they will be flown to Sierra Leone on Thursday morning.
Around 750 British troops are expected to be deployed to Sierra Leone over the coming months as part of the country's response to the outbreak of the potentially deadly virus.
As it reaches seven months since the Ebola outbreak started we take a look at the timeline of events leading up to the spread of the virus.
More than 100 British personnel are arriving in Sierra Leone to combat the Ebola outbreak in West Africa. Here's what else the UK is doing.
A man has been filmed helping an Ebola patient onto a plane without wearing any protective equipment.