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.
US President Barack Obama has called for "immediate additional steps to ensure hospitals and healthcare providers nationwide are prepared to follow the protocols should they encounter an Ebola patient"..
Earlier, the president was briefed on the second patient to be infected with Ebola in Dallas, Texas.
Hr also called for an investigation into how a female health worker was infected with the virus to move as quickly as possible.
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.