美国国立卫生院的安东尼。法乌西告诫说，人们不会对新病毒有免疫力。
Anthony Fauci of the National Institutes of Health cautioned people will not have immunity to new viruses.
美国国立卫生院称，有超过550万美国人患有大便失禁。
According to the National Institutes of Health, there are more than 5.5 million Americans with fecal incontinence.
美国国立卫生院称，有超过550万美国人患有大便失禁。
According to the National Institutes of Health, there are more than 5.5 million Americans with fecal incontinence.
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