Swine influenza (swine flu) is an acute viral infection of the respiratory tract in pigs caused by type A influenza virus.

猪流感是一种发生在猪身上的高度传染性急性呼吸道疾病，由A型流感病毒引起。

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Symptoms of Hendra virus infection in horses are not dramatically different from other respiratory and neurological illnesses of horses.

马匹感染亨德拉病毒的症状与马匹的其它呼吸道和神经系统病症没有显著区别。

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Bacterial infections in the pathogens distribution of infantile pneumonia was still relatively common, and respiratory virus, atypical infection should not be overlooked.

我国婴幼儿肺炎病原体分布仍以细菌感染多见，而呼吸道病毒、非典型菌感染亦不容忽视。

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For instance, the American Association of Pediatrics recently changed its recommendations for the treatment of respiratory syncytial virus (RSV), a potentially deadly respiratory infection that afflicts half of all infants during their first year of life and almost all by the end of year two.

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The virus can be transmitted through the air from respiratory infection or by close contact between horses.

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