Travel restrictions were implemented on an unprecedented scale in 2015 in Sierra Leone to contain and eliminate Ebola virus disease. However, the impact of epidemic travel restrictions on mobility itself remains difficult to measure with traditional methods. New ‘big data’ approaches using mobile phone data can provide, in near real-time, the type of information needed to guide and evaluate control measures.

中文翻译：

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塞拉利昂埃博拉疫情期间因旅行限制而导致的人口流动性减少：移动电话数据的使用

2015年，塞拉利昂实施了前所未有的旅行限制，以遏制和消除埃博拉病毒病。然而，疫情出行限制对出行本身的影响仍然难以用传统方法来衡量。使用手机数据的新“大数据”方法可以近乎实时地提供指导和评估控制措施所需的信息类型。