Most of the victims had close contact with sick birds, but health officials worry the virus could acquire the ability to move easily among people, sparking a pandemic.

大多数受害者都有与患病家禽的密切接触史，但是卫生官员担心病毒会获得在人与人之间传染的能力，从而导致大范围流行。

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Most of the victims had close contact with sick birds, but health officials worry the virus could acquire the ability to move easily among people, sparking a pandemic.

大多数受害者都有与患病家禽的密切接触史，但是卫生官员担心病毒会获得在人与人之间传染的能力，从而导致大范围流行。

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