Hendra virus was first recognized in 1994 during an outbreak of acute respiratory disease among 21 horses in Australia.
亨德拉病毒在1994年澳大利亚21匹马暴发急性呼吸道疾病期间第一次得到确认。
Theory Background: Acute viral upper respiratory infection is a most common clinic infective disease, and about 70%-80% of it is caused by virus.
理论背景急性上呼吸道感染是临床最常见的一种感染性疾病，约有70% - 80%由病毒引起。
Theory Background: Acute viral upper respiratory infection is a most common clinic infective disease, and about 70%-80% of it is caused by virus.
理论背景急性上呼吸道感染是临床最常见的一种感染性疾病，约有70% - 80%由病毒引起。
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