1·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。
2·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。
3·An important safety issue related to the varicella vaccine is the impact on the epidemiology of herpes zoster both in vaccinees as well as in individuals previously infected with wild-type varicella.
与水痘相关的一个重要的安全性问题是其对带状疱疹的流行病学的影响—这种影响既见于受接种者，也见于既往曾感染过野生型水痘的个体。
4·Statistical flukes also plague epidemiology, in which researchers look for links between health and the environment, including how people behave and what they eat.
统计学上侥幸行为也殃及了流行病学，在研究者寻找健康和环境之间的联系，包括人们的行为和饮食方面。
5·Avoiding and then adjusting for any such bias, however, is at the heart of the work of the Oxford cancer epidemiology unit.
然而，避免和调整诸如此类的偏见是牛津大学癌症流行病学部门的工作核心。