More than three million doses were to be made available in early October 2009, though most of those 17 doses were of the FluMist nasal spray type, which is not 18 for pregnant women, people over 50 or those with breathing difficulties, heart disease or several other 19 .
超过三百万剂疫苗将在 2009年 10月初投入使用，尽管那些 17 剂中大部分是FluMist鼻喷剂型，这种剂型不 18 孕妇、50岁以上人群或有呼吸困难、心脏病或若干其他 19 的人。
Firms are now studying how genes interact, looking for correlations that might be used to determine the causes of disease or predict a drug’s efficacy.
目前，企业正在研究基因之间的相互作用，寻找可用于确定疾病原因或预测药物效果的相关性。
establishing disease correlations
建立疾病相关性
They rid the forest of dead and sick trees, reducing competition and curbing the spread of disease.
它们清除了森林中的枯死和病弱树木，减少了竞争并遏制了疾病的传播。
例句取自历年考研英语真题，翻译为机器生成，仅供学习参考。