Swine have been known to be a suitable host for influenza a virus.
猪是已经知道的A型流感病毒的一个合适宿主。
This was the first evidence of an influenza A virus causing disease in dogs.
这第一次证实了甲类流感病毒可以引起犬类疾病。
A new influenza virus is spreading across the globe.
一种新型流感病毒正在全球蔓延。
Influenza a, B and c, three separate strains of the virus, cause the flu.
三种不同的流感病毒流感A型、流感B型和流感C型都能引起流感。
Influenza develops after the virus enters a person's nose or mouth.
在病毒进入一个人的鼻或口之后流感发作。
The current spread of a swine influenza virus has added to these concerns.
当前猪流感病毒的传播更增加了这些忧虑。
However, according to a study of influenza virus that currently has only spread in dogs.
不过据研究，这种流感病毒目前暂时只在狗身上传播。
However, according to a study of influenza virus that currently has only spread in dogs.
不过据研究，这种流感病毒目前暂时只在狗身上传播。
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