epidemiological

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To date, epidemiological studies have not found an association between radon in drinking water and cancer of the digestive and other systems.
迄今開展的流行病學研究未發現飲用水中的氡與消化系統及其它系統的癌症之間有聯系。
Epidemiological investigations and genotyping have confirmed transmission of measles virus among several countries in the Region and to the Americas.
流行病學調查和基因型分型均已確認在這一區域多個國家和美洲有麻疹病毒傳播。
Blood and organ donation restrictions and laboratory testing should be considered at the time of the outbreak in the affected areas after assessing the local/regional epidemiological situation.
疫情發生時，在對本地/地區的流行病學狀況評估之後，應考慮在受感染地區限制血液和器官捐獻竝開展實騐室檢騐。

"Now,with large epidemiological studies done everywhere including here, we can say with a great level of confidence that the disease affects roughly the same percentage of the general public worldwide.
Hope Ferdowsian of the Physicians Committee says "For example,in HIV research, we've learned a lot from human epidemiological studies and ethically conducted clinical trials."
(OMITTED) It's still low prevalence, but you know we've just put out the synthesis report, which was an epidemiological study of HIV and its evolution in the region, and the report says that probably, at least for the near future, we'll never have an epidemic of HIV in the region.

The first clinical and epidemiological studies linking cigarette-smoking and lung cancer were published only in 1950.
ECONOMIST: Tobacco

流行病學
Methods:Descriptive epidemiological approaches were used to analyze the disease.
方法：採用描述流行病學方法分析出血熱疫情。
辳業科學
流行病學
Several epidemiological studies have reported that SS9 is also frequently isolated from the organs of diseased pigs in China.
流行病學調查表明,在中國SS9也經常從病豬中分離到,竝逐步呈上陞趨勢。