Dr. Ancel Keys performed an epidemiological analysis of diets around the world.

安塞尔·基斯博士在全世界范围内做了饮食的流行病学分析。

One way to approach the question is the theory of epidemiological transition.

解决这个问题的一个方法是流行病学转变理论。

Investigators say they have found no known epidemiological link or common exposures among these affected children.

调查人员表示，他们在这些受影响的儿童中没有发现已知的流行病学联系，也不存在共同接触。

South Korean officials say it remains unclear what is behind the trend, with epidemiological investigations still under way.

韩国官员表示，韩国尚不清楚这一趋势（出现复阳病例）背后的原因，流行病学调查仍在进行中。

An epidemiological investigation that started on Saturday has combed through all the close contacts of the new cases.

周六开始的流行病学调查排查了新增患者的所有密切接触者。

The theory of epidemiological transition also recognised that no two countries transition in exactly the same way.

流行病学转变理论也认识到不同国家在过渡时期的表现不尽相同。

So the same social, environmental and economic changes that drive largely-beneficial epidemiological transitions create new vulnerabilities.

因此，即使是能推动流行病学过渡的良性的社会、环境和经济变化，也可能成为一个国家新的软肋。

Williams says there were sweeping epidemiological studies conducted in the 1950s and '60s, looking into the causes of respiratory infections.

威廉姆斯说，在20世纪50年代和60年代进行了广泛的流行病学研究，研究呼吸道感染的原因。

And we now see that epidemiological transition isn't always straightforward, and there can be bumps along the road.

我们现在看到，流行病学的过渡并不总是一帆风顺的，在前进的道路上可能会有颠簸。

This was one of the biggest epidemiological studies ever done.

这是有史以来规模最大的流行病学研究之一。

We know this from epidemiological studies across millions of individuals.

我们从对数百万人的流行病学研究中了解到这一点。

But says years of epidemiological research would be needed to establish the cause.

但表示需要多年的流行病学研究才能确定原因。

This is essentially the epidemiological equivalent of allowing a fire to burn itself out.

这在流行病学上基本上等同于让火自行熄灭。

Another large epidemiological study, the Framingham Heart Study, further supported a link between blood cholesterol and the risk of heart disease.

另一个流行病学研究，弗雷明翰心脏研究所支持这一判断，即血液中的胆固醇与心脏疾病的关联。

This suggestion comes primarily from epidemiological studies that show an association between the use of artificial sweeteners and obesity and diabetes.

这一发现主要来自流行病学研究，研究表明，人造甜味剂的使用与肥胖和糖尿病之间存在联系。

In a paper published in 1971, he put forward a way of understanding this change with the theory of epidemiological transition.

在 1971 年发表的一篇论文中，他提出了用流行病学转变理论来理解这种变化的方法。

The epidemiological survey of the asymptomatic carrier released at a press briefing in Beijing on Wednesday showed that the asymptomatic patient often worked till midnight.

周三在北京的新闻发布会上公布的流行病学调查显示，这位无症状患者经常工作到午夜。

There was a recent, very large epidemiological study actually looking at whether or not drinkers were more or less likely to have a baby.

最近有一项非常大规模的流行病学研究，实际上是在研究饮酒者生孩子的可能性是大还是小。

The epidemiological survey of the patient soon went viral on the internet on Wednesday with many netizens commenting that it was the saddest epidemiological survey that has ever been released.

周三，对该患者的流行病学调查很快在互联网上传播开来，许多网民评论说，这是有史以来发布的最悲伤的流行病学调查。

The council should also soon expand the list of non-E.U. countries with a good epidemiological situation from where travel is permitted, based on the new criteria agreed today.

委员会还应根据今天商定的新标准，迅速扩充允许旅行的疫情状况良好的非欧盟国家名单。