1·A new influenza virus is spreading across the globe.
一种新型流感病毒正在全球蔓延。
2·Initial tests have identified the H5 subtype of avian influenza virus.
初步检验已查明h 5亚型禽流感病毒。
3·More than twenty countries have found cases of the new H1N1 influenza virus.
世界上已有20多个国家发现新型H1N 1流感病毒病例。
4·It is well known and expected that influenza virus can mutate spontaneously.
Daigle一封电子邮件中说，在人们都知道并且期待着流感病毒能够自然地变异。
5·They infected all three strains of mice with lethal doses of influenza virus.
他们把这三株小鼠全部感染了致死剂量流感病毒。
6·Laboratory tests have confirmed infection with the H5N1 avian influenza virus.
实验室检测已经确认感染了H5N1禽流感病毒。
7·Laboratory tests confirmed the presence of the H5N1 avian influenza virus in both cases.
实验室检测证实这两起病例中都存在H5N1型禽流感病毒。
8·The reason is that the influenza virus mutates much more rapidly than most other viruses.
原因在于，流感病毒的变异比其它类型病毒的变异快得多。
9·Viral bronchitis may be caused by a number of common viruses, including the influenza virus.
病毒性支气管炎是由很多普通病毒引起，包括流感病毒。
10·We can't use a conserved region of the influenza virus to protect against HIV or hepatitis C.
我们不能用流感病毒的保守部分来预防艾滋病和肝炎。