There has been no confirmed case of human to human transmission.

目前尚无确定的人间传染病例.

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Thankfully, one mutation alone is unlikely to lead to efficient human - to - human transmission.

值得欣慰的是, 单独一种变异不太可能导致有效的人际传染.

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Limited human - to - human transmission can also occur in the same way as seasonal flu occurs in people.

但也发现一些人类感染猪流感的病例,患者大多为与病猪有过直接接触的人,也有人与人传播的记载.

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If a swine virus established efficient human - to human transmission, it can cause an influenza pandemic.

如果猪流感病毒能建立有效的人与人之间的传播, 那么就能导致全球性的流感大流行.

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In addition, the possibility of human - to - human transmission in some cases cannot be excluded at this time.

另外, 在某些病例中人对人传播的可能性目前还不能排除.

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There is yet any confirmed case of human - to - human transmission within the local community.

迄今国内还没出现人传人的确诊病例.

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