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。
2
Symptoms of Hendra virusinfection 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。
3
Bacterial infections in the pathogens distribution of infantile pneumonia was still relatively common, and respiratoryvirus, atypical infection should not be overlooked.