prevalence rate

基本解释

During that period, the prevalence rate of obesity among men doubled to nearly 10%.
期间，男人中肥胖的流行比率翻了一番，几乎达到10%。
For example in Swaziland, just 17% of the country’s total budget for AIDS was spent on prevention despite a national HIV prevalence rate of 26%.
例如在斯威士兰，尽管全国艾滋病毒流行率为26%，但国家艾滋病总预算中仅有17%用于预防。
During the last five years of its implementation, the project helped reduce TB prevalence rate by 20 percent and TB mortality rate by 33 percent in the institutions of the Federal Correction Service.
据联邦矫正服务局有关部门提供的数据，该项目在其五年实施期间发挥了帮助作用，结核病流行率降低了20%，结核病死亡率降低了33%。

Botswana has a small population, about two million, but a very big HIV prevalence rate.
This high prevalence rate has fueled the tuberculosis epidemic.

The use of modern methods of family planning has increased dramatically from a contraceptive prevalence rate of 13.9 per cent in 2005 to 32 per cent in 2010.
FORBES: UN Population Fund Executive Director on HIV/AIDS, Maternal Health, and Leadership
Meanwhile, Mississippi scored at or near the bottom on 11 of the 22 survey measures, showing a high prevalence of obesity, high rate of childhood poverty, low high school graduation rates, limited availability of primary care physicians and many preventable hospitalizations.
FORBES: America's Healthiest And Unhealthiest States

发生率
The injury prevalence rate: the overall injury prevalence rate was 17.19% （95% CI:15.46-18.92%）.
伤害发生率：总的伤害发生率为17．19％（95％CI：15．46-18．92％）。
列率