The World Health Organization has organised a panel of medical ethicists to discuss the use of experimental drugs to treat the Ebola virus.
Currently, there is no registered medicine or vaccine against the virus, but several experimental options under development.
There are questions about whether medicine that has never been tested and shown to be safe in people should be used in the outbreak in West Africa.
UK trials of a vaccine for the Ebola virus began today - but some experts complain that the response has been a long time coming.
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?