2014年3月21日,几内亚卫生部报道了一种以高热、严重腹泻、呕吐为特征的疾病暴发,在已发现的49例患者中病死率达59%。经测序证实,引起这种疾病的病原为埃博拉病毒。3月30日,邻国利比亚也发现了同样的病例。5月,塞拉利昂也报道了首例患者。截止到2014年6月18日,以上3个国家发现的埃博拉病毒患者已达528例,其中 On March 21, 2014, the Ministry of Health in Guinea reported an outbreak of the disease characterized by high fever, severe diarrhea and vomiting, with a mortality rate of 59% among the 49 patients found. Sequencing confirmed that the cause of this disease is Ebola virus. On 30 March, the same case was also found in neighboring Libya. In May, Sierra Leone also reported the first patient. As of June 18, 2014, 528 cases of Ebola virus were found in these three countries, of which