1·Then we can really start to look at the genetic variation within the species and gain insight into some of the genes involved in drug resistance or virulence.
然后我们才能真正地开始寻找该物种的种内遗传变异，并获得和耐药性或毒力有关的一些基因的信息。
2·In addition, the inherent virulence of the virus can change over time as the pandemic goes through subsequent waves of national and international spread.
而且，随着大流行病在国内和国际上波浪式相继传播，病毒的内在毒力可能会逐渐发生变化。
3·Thus, EpR is probably a basolateral protein, and infection of the airway epithelium is not essential for systemic spread and virulence of MV.
因此，电子顺磁共振可能是基底蛋白质和感染的气道上皮来说不是必须的全身蔓延，毒力的MV。
4·The compilation of information concerning pathogens, virulence factors and antigenic epitopes has resulted in many useful databases.
有关病原体、毒力因子和抗原表位的信息的编纂产生了很多有用的数据库。
5·The resulting data were well fitted to time-dose-mortality model, generating parameters of time and dose effects for estimation of virulence indices.
所得数据很好地拟合时间-剂量-死亡率模型，由此获得用于估计毒力指标的时间和剂量效应参数。
1·Without that information, it is also impossible to determine the new disease’s virulence, fatality rates and so on.
而且如果没有这些诊断信息，也根本不可能决定这种新型病毒的毒性及致死率等。
2·There are two crucial factors: the transmissibility of the virus, and its virulence.
有两个关键因素：病毒的传播性和其毒性。
3·How is virulence measured?
如何衡量毒性？
4·This was most likely due to disappearance of triggers, changes in their virulence, or increased resistance against them.
这最有可能是因为致病因素的消失，毒性的改变或者对其抵抗力的增加。
5·The concentration of the pollution in garbage leachates is high, the virulence is great and the component is complex , which harms the biological environment and people' s health very seriously.
垃圾渗滤液污染物浓度高、毒性大、成分复杂，对生态环境和人体健康危害十分严重，是一种典型的高污染、难处理高浓度有机废水。