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The swab test, which involves taking a mucus sample from the nasal cavity, can distinguish between swine flu (H1N1), A and B strains of the virus. 这个棉签试验，需要从鼻腔采取一些粘液样本，能够区分出猪流感(H1N1)中的A和B病毒株，伦敦南部的圣乔治医院现在就是用流感Xpert试验。 - 2
The majority of human immunodeficiency virus(HIV)-infected patients have symptoms in oral cavity, however, these symptoms are often ignored. 多数人类免疫缺陷病毒（HIV）感染患者都有口腔表现，但口腔表现却往往被忽视。 - 3
Twelve babies have been born in the U. S. with birth defects caused by Zika virus, including microcephaly, calcium deposits in the brain, excess fluid in the brain cavity or abnormal eye development. 在美国已经有12名因寨卡病毒而导致先天缺陷的患儿出生，其中包括小头畸形、大脑中钙质沉积、脑腔中液体沉积或眼睛发育异常。
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