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- An antivirus program is useless if it fails to identify and isolate viruses, worms, and similar infections. 抗病毒程序如果不能鉴别和隔离病毒、蠕虫、和类似危害，是没用的。
- It was concluded from the results that the 8 isolated viruses from raccoon dog represent parvovirus. 表明，分离的这8株病毒均为貉源细小病毒。
- All the isolated viruses grew very well in MDCK cells, but there were only 6 strains (2.1%) in embryonated chick eggs. 21 Avian influenza surveillance specimens were all negative in H5 subtype by. 285株流感病毒都能适应MDCK细胞，但阳性标本液直接接种鸡胚阳性率极低，仅为2.;1%25(6/285)。
- Further analysis suggests the virus traveled to Indonesia through Sudan, and is similar to recently isolated viruses in Saudi Arabia and Yemen. 进一步分析表明该病毒经苏丹进入印度尼西亚,并且与在沙特阿拉伯和也门最近分离的病毒相似。
- Some viruses incubate very rapidly. 有些病毒繁殖得很迅速。
- We should be watchful of computer viruses. 我们应该警惕计算机病毒。
- The study of viruses and viral diseases. 病毒学一种病毒和病毒性疾病的研究
- New strains of viruses appear periodically. 新菌系的细菌周期性地产生。
- The presence of viruses in the bloodstream. 病毒血症血液中出现病毒的症状
- The action of cleaning computer viruses. 清除计算机病毒的动作［过程］。
- The isolated virus was compareed with standard virus by RT-PCR in which both amplified specific band.It indicated that the isolated virus was a strain of Muscovy duck reovirus. 分离毒经用RT-PCR方法进行检测,可与番鸭呼肠病毒标准株扩增出大小一致的特异条带,证实该分离毒为番鸭呼肠病毒。
- Sheep foetal lung cells can be passaged for forty times, and each subculture can be used to isolate virus, so it is a very practical method of isolating OPPV. 绵羊胎肺细胞可传到40多代，且每一代次的细胞都可用于病毒的分离，因此这是一种非常实用的分离OPPV的方法。
- All of the evidences indicated that the isolated virus was equine rhinopneumonitis virus(ERV),and it was named PH93 1 strain of equine rhinopneumonitis virus. 结果表明，所分离病毒为马鼻肺炎病毒，并将该毒株定名为PH93－1。
- isolable viruses. 可分离病毒
- DNA sequence of the isolated virus showed 97%,97%and 98%homology with those of dengue virus type 1 strains of dengue hemorrhagic fever outbreak in Cambodia,in China 1997 and 1999 respectively. 基因序列分析表明,2003年流行株与登革1型病毒柬埔寨流行株及我国1997、1999年登革1型病毒流行株的同源性最高,分别为97%25、97%25、98%25。
- After 48h post-inoculation, virions were observed in allantoic fluid from artificial infection SPF chicken embryos with isolated virus by electron microscope with negative staining. 病毒生物学特性试验表明，该病毒为RNA病毒，通过尿囊腔接种，可在10日龄SPF鸡胚上生长，接种后3-5天可引起鸡胚规律性死亡，病毒在10日龄SPF鸡胚上增殖的高峰为接种后72h。
- Proventriculus type of avian infectious bronchitis isolate virus D971 was used to infect SPF chickens.Infected chickens manifested emaciation, diarrhea and mild dyspnea after inoculation. 摘要鸡传染性支气管炎病毒D971分离株感染SPF鸡后主要表现为消瘦、稀便、伴有轻微的呼吸症状；
- The transfer of pig viruses to humans is unlikely. 此疗法导致感染猪病毒的机率极小。
- Viruses do not undergo binary fission. 病毒并不进行二分裂。
- Most viruses just replicate, a lot also do damage. 大多数的病毒只是复制，但也有不少进行破坏。
