A study by the Center for Research on the Epidemiology of Disasters finds that, between 1980 and 2007, nearly 8,400 natural disasters killed more than two million people.

灾害流行病学研究中心的一项研究发现，在1980年至2007年间，近8400起自然灾害导致200多万人死亡。

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A study by the Centre for Research on the Epidemiology of Disasters finds that between 1980 and 2007, nearly 8,400 natural disasters killed more than two million people.

灾害流行病学研究中心的一项研究发现，在1980年至2007年间，近8400起自然灾害导致200多万人死亡。

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A study on epidemiology and the cause of primary liver cancer (PLC) was undertaken in Tongan County since 1990.

作者从1990年开始，对同安县肝癌高发现场的肝癌病因进行了流行病学研究。

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In the American Journal of Epidemiology this month, Janet Hildebrand and colleagues reported on a large study looking at the effects of coffee on throat cancers.

FORBES: Have another cup of coffee - it's good for you!