incidence of hospital infections的用法和样例：
例句
- Ms Moore and Dr Wilson compiled reports of parasitism in mammals in which males and females had different rates of infections.
穆尔女士和威尔逊博士搜集关于哺乳动物的寄生病的报告表明男子和女子感染率不同。 - The area has been sprayed with insecticide since last week and the numbers of deaths and infections have dropped, the statement said.
从上周开始，当地开始喷洒杀虫剂，目前病死率和感染率都已下降。
