Avian influenza (AI) is an infectious viral disease of birds (especially wild water fowl such as ducks and geese), often causing no apparent signs of illness.
禽流感是鸟类病毒性传染病(特别是鸭子和鹅等野生水禽)，通常导致无明显体征的疾病。
Avian Influenza is an acute and highly contacting infectious disease, especially for poultry to easily infect, which is caused by type AI virus.
流感是由A型流感病毒引起的急性高度接触性传染病，特别是鸡对禽流感有较高的易感性。
Avian influenza (AI) is a serious disease of poultry throughout the world.
禽流感是目前影响世界养禽业的最严重的疫病。
This is the second case of the highly pathogenic avian influenza reported in the country this month as the number of AI cases has started to fall off in recent weeks.
这是本月第二次高致病性禽流感病例报告，在该国的禽流感病例数最近几个星期本来已开始下降。
This is the second case of the highly pathogenic avian influenza reported in the country this month as the number of AI cases has started to fall off in recent weeks.
这是本月第二次高致病性禽流感病例报告，在该国的禽流感病例数最近几个星期本来已开始下降。
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