In Japan the overall age-adjusted prevalence rate doubled from 4.9% in 1985 to 9.6% in 2014.

在日本，年龄调整后的总体患病率从 1985 年的 4.9% 翻了一番，达到 2014 年的 9.6%。

Uganda had received international praise for dropping its virus prevalence rate from 15 percent at its peak in 1991 to 7.3 percent today.

乌干达曾因将1991年艾滋病毒15%的流行率降低到现今的7.3%而受到国际社会赞扬。

That average concealed wide variations. Some countries had prevalence rates as high as 48%, though the researchers diplomatically refused to name the alleged offenders.

这个平均值掩盖了很大的差异。一些国家的流行率高达48%，尽管研究人员委婉地拒绝说出被指控的罪犯的名字。

The median age of onset for all anxiety disorders is a tender 11 years, with prevalence rates highest in the 20s and 30s.

所有焦虑症的平均发病年龄为 11 岁， 患病率最高的是 20 多岁和 30 多岁。