Surveys indicate the alarming prevalence of these feelings.

调查显示，这些情绪的普遍性令人担忧，甚至可以说几乎普遍存在。

That's the theory behind Google Flu Trends—which crunches search data to forecast flu prevalence.

这就是谷歌流感趋势背后的理论—通过搜索数据来预测流行趋势。

Google Flu Trends, run by the eponymous internet firm's charity, monitors flu-related searches to estimate the disease's prevalence.

谷歌流感趋势是互联网公司谷歌的慈善项目，通过监测与流感相关的搜索请求，来估计流感的扩散状况。

In this research, they examined the prevalence of food allergies in certain age groups.

在这项研究中，他们对特定组的食物过敏患病率进行检测。

This is a graph of autism prevalence estimates rising over time.

这是显示自闭症患者数量 普遍性上升的一个统计图表。

UNICEF says the world has made progress in the past decade in reducing the prevalence of child marriages.

联合国儿童基金会表示，过去，全世界在减少普遍存在的童婚现象方面取得了进展。

We call these prevalence and incidence.

我们称之为患病率和发病率。

Prevalence is a noun that refers to how common something is, how often it happens.

" prevalence" 是一个名词，指某事有多常见，发生的频率有多高。

The myopia prevalence among local children and minors is 60 percent.

当地儿童和未成人近视患病率为 60%。

In the past, state-level data on the prevalence of abortion were patchy.

过去，关于堕胎率的州级数据参差不齐。

The microbes increasing in prevalence were tolerant of about twenty-three percent alcohol.

越来越普遍的细菌对大约23%酒精耐受。

Endemicity is described as the measure of disease prevalence in a region.

地方性是衡量一个地区疾病流行度的标准。

He said that these studies looked at the prevalence of a few things.

他说这些研究观察了一些事物的普遍程度。

The prevalence of remote working means that more roles are plausible options for more jobseekers.

远程办公的盛行意味着，对于更多的求职者来说，可选择的职位似乎更多了。

Studying disease prevalence and incidence helps us work out where outbreaks are happening.

研究疾病流行率和发病率有助于我们找出疾病在哪里爆发。

In recent years the prevalence of tuskless females has fallen, to around 33%.

近来，无牙母象的流行率已下降到33%左右。

This had implications for obesity, as researchers found a greater prevalence of obesity amongst people with a greater dietary diversity.

这对肥胖有影响，因为研究人员发现，饮食多样性较高的人群中肥胖的患病率更高。

The SOFI report said the prevalence of undernourishment has fallen from 23.4 to 15.5-percent for developing countries.

《世界粮食不安全状况》报告中称发展中国家人口的营养不良患病率已从23.4降到15.5。

He and colleagues hope to build a dam by alerting the public to the prevalence of misinformation.

他和同事希望通过提醒公众注意普遍存在的错误信息来建造大坝。

Both prevalence and incidence are key indicators for whether an infectious disease outbreak is happening.

流行率和发病率都是传染病爆发的关键指标。