他们要追踪的是2013年爆发的登革热,这是一种通过蚊子传播的病毒,症状表现为头痛、肌肉疼痛和呕吐。
The researchers hypothesized that the disease traveled around the city along the same routes as people’s phones did.
研究人员猜测这种疾病在城市的传播路径和人们手机的移动路径是一致的。
When they tested their predictions against census data for 2013 and 2017, which recorded the number of cases over the course of two years, they found the models were accurately estimating the growth trajectory the disease.
他们将自己的预测与2013年和2017年的人口普查数据进行了对比,该数据记录了两年间的病例数量,他们发现模型准确估计了疾病的发展轨迹。
The study is remarkable for its ability to examine the pattern of dengue’s spread as it moves inside smaller regions like cities and towns. Typically, researchers study disease at a much broader level—think states and countries. But smartphone data allows researchers and scientists to see more detailed information about the way people interact with their environment and each other.
该研究值得注意的一点是能研究登革热在城市和城镇等小范围内的传播模式。通常,研究人员会在更广泛的层面上研究疾病——如州和国家的范围。但智能手机数据使研究人员和科学家能看到人们如何接触环境以及他人的更详细信息。
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