Scientists worry that the flu could mutate into a toughened more contagious form.
科学家们担心,禽流感病毒可能会变异出更可怕、更具传染性的变种.
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目的: 从机体的免疫应答来探讨甲型流感病毒对小鼠S180腹水瘤的作用机制.
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人们开始用疫苗来预防肺结核 、 流感 、 麻疹和腮腺炎等疾病,这些疾病曾经夺去许多孩子的生命.
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Although the overall mortality rate from the current swine flu is low, this trend already apparent.
尽管目前猪流感的死亡率还很低, 这种趋势已经相当明显了.
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10微克疫苗满足欧盟关于季节性流感疫苗注册的所有要求.
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Here's a novel potential public health measure against the flu-kick up the humidity.
这有一项新的可能会抵抗流感的公共健康措施 -- 提高空气的湿度.
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Changes in H 3 N 2 influenzairus were predominantly in the ordinarily stable M 1 matrix protein.
流感病毒H3N2的变异主要是由于通常较稳定的基质蛋白M1的改变导致的.
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Pregnant women face an increased risk even during outbreaks of seasonal influenza.
甚至在季节性流感暴发期间,孕妇面临的风险也更高.
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这些建议是普遍适用于预防许多通过接触传染的疾病的, 包括流感在内.
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Giving every patient an annual anti-flu injection would be prohibitively expensive.
每年给每个病人注射 抗 流感针剂的花费是无法承受的.
《简明英汉词典》
Pregnant women risk dehydration and premature delivery when they have flu, she said.
孕妇在患流感时更容易脱水和早产, 她说.
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Only medical practitioner and local health authority can confirm a case of influenza A ( H 1 N 1 ).
只有医生和当地卫生部门才能确认甲型H1N1流感病例.
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Influenza may be prevented by active immunization with a polyvalent killed or subunit vaccine.
可以通过主动免疫接种多价灭活疫苗或亚单位疫苗预防流感.
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