President Obama has promised the US will do everything it can to help the West African nations where people have been struck down with the Ebola Virus.
More than 900 people have died after contracting the disease and the World Health Organisation the time may have come to try emergency experimental treatments.
ITV News Washington Correspondent Robert Moore reports.
A Swansea doctor who took leave to treat Ebola patients in Africa, is back on the wards after three weeks in isolation.
The first British case of Ebola in the outbreak in West Africa has been confirmed. So how would repatriation work are what are the risks?
In a Facebook Q&A on the Ebola virus for ITV News, an expert discussed risks, potential vaccines and what would happen if it came to the UK.