Key points from article :
Over 1,000 people have died in an Ebola outbreak in Democratic Republic of Congo.
There might be double this many cases in reality.
Efforts to monitor and bring it under control hampered by civil war in DRC.
In April WHO again opted not to declare a global health emergency.
Many international aid agencies have pulled staff out of hotspots due to attacks.
Some residents of Butembo believe Ebola was brought to the city on purpose.
Over 109,000 people have received an experimental but effective Ebola vaccine.