...的人牙齿是倒着长的，但长到鼻腔里的病例十分罕见，因此，该病例被登上汕头《美国病例报告》(American Journal of Case Reports)上。 报道称，没人能确定该病的病因具体是什么，或由创伤、感染、解剖畸形和遗传因素造成。
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H1N1表明容易人际间传播并且从美国的报告提出，某些病例可以很轻微并且在之前未察觉，而疾病却进一步传播。
H1N1 appears to be passed easily from person to person, and reports from the United States suggest that some cases may be mild and therefore may go undetected, allowing the disease to spread further.
美国报告了3352例实验室确认的人患病例，包括3例死亡。
The United States has reported 3352 laboratory confirmed human cases, including three deaths.
美国报告了2532例实验室确认的人患病例，包括3例死亡。
The United States has reported 2532 laboratory confirmed human cases, including three deaths.
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