1·It has previously been shown to reduce the infection rate to near zero.
以往的经验显示，这些措施可以使感染率降低至接近零。
2·Labor supply shocks varied depending on the infection rate and mortality in a given country.
劳动力供给突变的幅度大小取决于一国的感染率和死亡率高低。
3·The HIV infection rate in this group has doubled, we are told.
我们被告知，HIV的感染率在这一群体中居然是加倍的。
4·If this program failed to reduce the infection rate, the ISSC agreed that the FDA could require oysters to be treated after harvesting to kill pathogenic Vibrio.
如果这项计划不能降低感染率，ISSC同意FDA的命令在捕捞生蚝后做处理杀死致病弧菌。
5·Hospital surgeries reduce the infection rate, but many boys opt for the old rite.
虽然医院的外科手术降低了感染率，但许多男孩还是选择了这种古老的习俗。