猪流感是一种由猪传播的流感病毒。

Swine flu is a type of flu virus spread by pigs.

他感染了流感病毒。

He caught the flu virus.

猪流感病毒有传染性？

Is this swine flu virus contagious?

一种新的流感病毒在四处流传。

There is a new flu virus going around.

乌克兰流感病毒的鉴定正在进行

Testing of the Ukraine flu virus is underway

H1N1猪流感病毒与H1N1人流感病毒是一样的吗？

Is the H1N1 swine flu virus the same as human H1N1 viruses?

科学家把流感病毒基因放进受病毒感染的昆虫体内。

Scientists put a flu virus gene into a virus infected insects.

禽流感是A型流感病毒引起的传染性疾病.

Bird flu is a contagious disease caused by TYPE A flu virus.

并非所有的流感病毒都能传染所有的动物。

Not every flu virus can infect every animal.

不过一种病毒引发的免疫反应可能使宿主免于感染另外一种病毒（参见“季节性流感病毒抗体能对抗猪流感病毒”）。

But it is still possible that the immune response elicited by one virus can offer protection against the other (see Old seasonal flu antibodies target swine flu virus).