ebola doctors in sierra leone_photo credit PK Lee-MSF

Joanne Liu (International President) and Ron (Health Advisor) visiting the Ebola treatment centre in Kailahun, Sierra Leone. Photo by P.K. Lee/Doctors Without Borders.

Joanne Liu, international president of Doctors Without Borders, and a health advisor visit the Ebola treatment center in Kailahun, Sierra Leone. Photo by P.K. Lee/Doctors Without Borders.

Joanne Liu (International President) and Ron (Health Advisor) visiting the Ebola treatment centre in Kailahun, Sierra Leone. Photo by P.K. Lee/Doctors Without Borders.