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.
A woman who became ill in the Pentagon car park does not have Ebola, officials said.
The public relations worker was put in quarantine at the Inova Fairfax Hospital and medical personnel took all needed precautions.
But despite fears she may have recently having been in West Africa, her boss confirmed she had not been out of the Washington area.
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.