Seasonal factors, such as the rainy season, along with population movements in the area contribute to this unusually high incidence of cholera.

雨季等季节性因素以及该地区的人口流动造成这一极不寻常的霍乱高发病率。

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Seasonal factors, with a particularly heavy rainy season, along with increased population movements in the area contribute to this unusually high incidence of cholera.

强降雨雨季等季节性因素以及该地区增多的人口流动造成这一极不寻常的霍乱高发病率。

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This figure is expected to grow by as much as 10 percent annually as the nation's population ages and the incidence of pressure ulcers increases.

随着(美国)全国人口的老龄化和压力溃疡病例的增加，这一数字预期将以每年高达10%的速度增长。

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You have to test it by giving the vaccine to a large population of people, and then watching and seeing if you've reduced the incidence of the disease.

这样的测试的做法只能是,给大量人群分发疫苗,接着观察和了解,这种疾病的发病率是否有所降低

耶鲁公开课 - 生物医学工程探索课程节选

The report suggests that Scotland and Northern Ireland may face proportionally greater future demands on the health service than England and Wales, as they have a higher incidence of poor health in the population.

BBC: UK life 'healthier for longer', ONS figures show

Currently, the incidence of TB is growing in the ethnic population - and falling among Caucasians.

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As David Frith showed in his book "Silence of the Heart", the incidence of suicide among Test cricketers is far higher than in the general population.

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