Ebola British nurse investigation: 'No stone unturned'
Save the Children in Sierra Leone says "no stone will be left unturned" as it investigates how a British nurse became infected with Ebola at its treatment centre.
Pauline Cafferkey remains critically ill at the Royal Free Hospital in London after her condition deteriorated over the weekend.
The BBC's global health correspondent Tulip Mazumdar has been speaking to Save the Children's country director, Rob MacGillivray.
05 Jan 2015