Ebola virus disease reemerged in Western Africa in 2014. Chinese Center for Disease Control and Prevention dispatched the first Ebola virus (EBOV) detection team to run newly established Sierra Leone-China Friendship Biological Safety Laboratory. The aims of study were to understand epidemiology, clinical manifestations and survival time of EBOV in patient's blood. A total of 913 specimens were tested between March 11 and April 20, 2015. EBOV positivity occurred in 7.37% of the blood and 0.53% in throat swabs. Most commonly reported symptoms of laboratory confirmed patients were intense fatigue, anorexia, and fever. EBOV RNAs persisted in blood for almost 4 weeks and the real-time RT-PCR Ct values showed close correlation with the sampling time after onset.
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