媒体总是提到士兵和其他群体创伤后应激障碍的高发病率，布莱诺说。

Media stories often cite extraordinarily high rates of PTSD in soldiers and other groups, Bonanno said.

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对最大手机用户群体之一的癌症发病率的调查研究显示，手机用户和非手机用户之间在罹患癌症的风险上并没有什么区别。

Research into cancer rates of one of the largest groups of mobile phone users ever studied found no difference compared with people who did not use them.

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广州，2003年男同群体的艾滋病发病率还只是0.05%，两年后增加到0.3%，到2010年该人群的感染率就上升到7%以上，而今年又增加到了8%。

Guangzhou in 2003, groups of men with HIV incidence is only 0.05% to 0.3% after two years, by 2010 the population infection rate rose to 7%, and this year increased by 8%.

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