Ebola: UK medic on 'mind-blowing' deaths
7 October 2014 Last updated at 19:42 BST
Health professionals caring for those with the Ebola virus are coming under increasing pressure as the numbers of those suffering soar.
Dr Oliver Johnson, who is from the UK, has been working in Connaught Hospital in Freetown.
He talks to the BBC's Tulip Mazumdar about the strain of caring for patients who he knows will almost certainly die.