The World Health Organisation has concluded that it is ethical to give experimental drugs to those fighting Ebola in West Africa.
A panel of ethicists had been debating whether it was right to try the drugs. It also decided that there is a moral duty to evaluate drugs and vaccines in the best possible clinical trials under the circumstances.
Patients who receive experiment drugs must give their informed consent.
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?