There is little seasonal variation in the incidence of the disease.

在该病的发病率方面存在着极小的季节性差别。

youdao

Results Ectopic pregnancy is the result of gynaecological most acute in the incidence of the disease.

结果宫外孕是妇科急症中发病最多的疾病。

youdao

The incidence of the disease has dropped sharply since the practice of cannibalism has been abandoned.

但自从同类相食的行为被抛弃后，这种病的发生率锐减。

youdao

"They have the longest lifespan in the world, the lowest incidence of obesity, heart disease and diabetes."

VOA: standard.2010.02.23

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

Rising flood waters raise the incidence of malaria and diarrheal disease.

VOA: standard.2009.09.06

In a test of its power as a prophylactic it reduced the incidence of the disease by only 31%.

FORBES: Just Say No

Reported rates have been increasing steadily since 1984 (see chart) and, though much of the increase is due to better detection and reporting, it still underestimates the true incidence of the disease.

ECONOMIST: The invisible worm

But at the moment, the apparent increase could be attributed to any number of factors, such as better diagnosis, or random fluctuations in the incidence of the disease, rather than the start of an epidemic.

ECONOMIST: Mad-cow disease