Sierra Leone has commenced a three-day lockdown intended to stop the spread of Ebola, which has now killed more than 2,600 people in West Africa.  But the group that has been on the frontlines of the outbreak for months is expressing doubts that the plan will work.

“Large-scale coercive measures like forced quarantines and lockdowns are driving people underground and jeopardizing the trust between people and health providers,” the medical charity Medecins sans Frontieres said in a statement to US reporters.  “This is leading to the concealment of cases and is pushing the sick away from health systems.”

Sierra Leone authorities ordered all six million citizens to stay inside their homes from 19 September through the 21st while some 30,000 volunteers go door-to-door, looking for patients and bodies concealed in homes.

“Rain or shine, the shutdown exercise is going to go ahead. During the three days,” assured Steven Gaojia, head of the government’s emergency operation center, “the job is going to get done.”