Ernest Koroma has ordered entire population into lock down for 72 hours . Guinea , Liberia and Sierra Leone have goal of cutting off disease by three days . The worst-ever outbreak of virus has claimed 3,700 lives in Sierra Leone .
Ernest Koroma has ordered entire population into lock down for 72 hours . Guinea , Liberia and Sierra Leone have goal of cutting off disease by April 1 . The worst-ever outbreak of virus has claimed 3,700 lives in Sierra Leone .