Dr Suzanna McDonald stresses the importance of gathering evidence
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Ebola uncertainty

Dr Suzanna McDonald who is working with the World Health Organization says evidence gathering is essential because it will lead to the reduction in stigma for Ebola survivors.

Tulip Mazumdar's Our World report Surviving Ebola can be seen on the BBC News Channel and BBC World News (click for transmission times). Readers in the UK can watch it after 04:30 GMT on Saturday on the BBC iPlayer.