出于若干原因，这些数字不能反映流感大流行期间死亡率的真实情况，而毫无疑问的是实际死亡率要高于实验室确认病例显示的情况。

For several reasons, these Numbers do not give a true picture of mortality during the pandemic, which is unquestionably higher than indicated by laboratory-confirmed cases.

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在某些地区，由于极端贫困和流行病，死亡率实际上已经上升。

In some areas death rates have actually risen as a result of extreme poverty and epidemics.

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研究团队在今天的《科学》在线发布结果，在所有的情境中，研究人员用数学运算估计的逐步上升的死亡率都与实际的死亡率变化相吻合。

In all of these situations, the escalation of fatalities estimated by the researchers' mathematics closely matched the course of actual deaths, the team reports online today in Science.

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