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新闻背景:埃博拉,原本是流淌在西非大地上一条美丽而静谧的河流。然而,一种罕见的病毒1 976年在埃博拉河地区出现,“埃博拉病毒”也因此得名。它是一种能引起人类和灵长类动物产生出血热的烈性传染病病毒,主要通过体液传播,死亡率很高。201 4年2月,新一轮埃博拉疫情在几内亚出现,短短数月席卷了塞拉利昂、利比里亚等国家,确诊、疑似和可能感染病例近1.5万例,死亡
News Background: Ebola was originally a beautiful and tranquil river flowing over the land of West Africa. However, a rare virus was found in the Ebola region in 1976, hence the name “Ebola virus”. It is a potent infectious virus that causes hemorrhagic fever in humans and primates, and is transmitted mainly through body fluids with high mortality rates. 201 In February of the same year, a new round of Ebola outbreaks occurred in Guinea. In just a few months, it swept over countries such as Sierra Leone and Liberia, and nearly 15,000 cases of confirmed, suspected and probable infections were killed