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埃博拉疫情早有预警

What triggered our dismay was not the words, but when they were written: The paper waspublished in 1982.

让我们感到不安的并非文字本身，而是写下这些文字的时间：这篇论文发表于1982年。

As members of a team drafting Liberia’s Ebola recovery plan last month, we systematicallyreviewed the literature on Ebola surveillance since the virus’s discovery in central Africa in 1976.We learned that the virologists who wrote that report, who were from Germany, had analyzedfrozen blood samples taken in 1978 and 1979 from 433 Liberian citizens. They found that 26 (or 6 percent) had antibodies to the Ebola virus.

作为上个月拟定利比里亚后埃博拉时期恢复计划的团队成员，我们系统地查阅了自1976年首次在非洲中部发现这种病毒以来的有关埃博拉疫情监控的文献。我们得知，撰写上述报告的德国病毒学家分析了一些冻存血样——于1978年到1979年间取自433名利比里亚人。他们发现，其中26人(即6%)体内携带埃博拉病毒抗体。

Three other studies published in 1986 documented Ebola antibody prevalence rates of 10.6, 13.4 and 14 percent, respectively, in northwestern Liberia, not far from its borders with SierraLeone and Guinea. These articles, along with other forgotten reports from the 1980s onantibody prevalence in neighboring Sierra Leone and Guinea, suggest the possibility of whatsome call “sanctuary sites, or persistent, if latent, Ebola infection in humans.