Hundreds of NHS staff have responded to the Ebola outbreak by travelling to West Africa to work in treatment centres in spite of the risks.

Dr Geraldine O'Hara is one of them. She's an infectious diseases registrar from Huddersfield working for Medecins San Frontieres in Sierra Leone, in an area called Kailahun.

She has been keeping an audio diary of her time there for the Today programme: