Like routine human flu, cases of swine flu can range from mild to severe.
同普通的人流感一样，猪流感病情也有从轻微到严重之分。
Human infections with swine flu H1N1 viruses are rare.
人类感染H1N 1猪流感病毒的病例很少见。
Is the H1N1 swine flu virus the same as human H1N1 viruses?
H 1 N 1猪流感病毒与H1N1人流感病毒是一样的吗？
The 1976 swine flu strain and early human H1N1 strains are therefore very close siblings.
因此，1976年的猪流感病毒和早期的人类H1N1病毒是近亲。
Human (background, right) and bird (background, left) flu viruses combine to make worse symptoms.
人(背景，右)与禽(背景，左)流感病毒结合会导致更为严重的症状。
Could the human swine flu virus affect swine in the future?
这种人的猪流感病毒在未来会感染猪吗？
People do not normally get swine flu, but human infections can and do happen.
通常情况下，人不会感染猪流感，但是人的确可以被感染。
Most deadly flu strains emerge when an animal virus combines with an existing human virus.
大多数致命的流感病毒株在动物病毒与一种已存在的人类病毒结合的时候产生。
China's Ministry of Health has confirmed a new human case of bird flu.
中国卫生部证实新的一例人类感染禽流感。
Indonesia has the highest number of human bird flu deaths in the world.
印尼是世界上死于禽流感人数最多的国家。
What do we know about human-to-human spread of swine flu?
猪流感与猪猪流感在猪群中如何传播？
What do we know about human-to-human spread of swine flu?
猪流感与猪猪流感在猪群中如何传播？
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